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cryptography

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US Air Force (USAF) AIRMAN First Class (A1C) David Robinson, Technical Controller, 458th Air Expeditionary Group (AEG), installs a cryptography machine at Mihail Kogalniceanu Air Base, Romania, during Operation ENDURING FREEDOM

US Air Force (USAF) AIRMAN First Class (A1C) David Robinson, Technical...

The original finding aid described this photograph as: Subject Operation/Series: ENDURING FREEDOM Base: Mihail Kogalniceanu Air Base Country: Romania (ROM) Scene Camera Operator: MSGT Jon Nicolussi, USAF R... More

US Air Force (USAF) STAFF Sergeant (SSGT) Michael Bitson, Non-Commissioned Officer In Charge (NCOIC) of Network Management, installs a cryptography machine at Mihail Kogalniceanu Air Base, Romania, during Operation ENDURING FREEDOM

US Air Force (USAF) STAFF Sergeant (SSGT) Michael Bitson, Non-Commissi...

The original finding aid described this photograph as: Subject Operation/Series: ENDURING FREEDOM Base: Mihail Kogalniceanu Air Base Country: Romania (ROM) Scene Camera Operator: SRA Lakisha Croley, USAF R... More

CMVPlogo

CMVPlogo

Logo of the Cryptographic Module Validation Program (CMVP)

"National Security Agency" art detail, from cover of Friedman Lectures on Cryptology (page 1 crop)

"National Security Agency" art detail, from cover of Friedman Lectures...

Six Lectures Concerning Cryptography and Cryptanalysis

Choctaw nation medal of valour 1

Choctaw nation medal of valour 1

Pictures taken by myself at the US National Cryptologic Museum.

Choctaw nation medal of valour 2

Choctaw nation medal of valour 2

Pictures taken by myself at the US National Cryptologic Museum.

Hsspf decrypt 1

Hsspf decrypt 1

This is a decrypted message from the Nazi HSSPF (Higher SS and Police Leader) of section "Russland Mitte" (Middle Russia), describing the 'liquidation' of a town in Belarus. It was sent June 16 1942. - To: Rei... More

Hsspf decrypt 2

Hsspf decrypt 2

This is a decrypted message from a Nazi HSSPF (High SS and Police Leader) of section "Russland Sued" (South Russia), describing the 'liquidation' of jewish people. It was sent September 11 1941. - To: the Re... More

Polygraphiae 2

Polygraphiae 2

Pictures taken by myself at the US National Cryptologic Museum.

Polygraphiae 3

Polygraphiae 3

Pictures taken by myself at the US National Cryptologic Museum.

Purplemsg
SIGPOSI card-stencil code

SIGPOSI card-stencil code

Pictures taken by myself at the US National Cryptologic Museum.

StorageTek 9310 powderhorn 1

StorageTek 9310 powderhorn 1

Pictures taken by myself at the US National Cryptologic Museum.

StorageTek 9310 powderhorn 2

StorageTek 9310 powderhorn 2

Pictures taken by myself at the US National Cryptologic Museum.

US Navy cryptanalytic bombe 6

US Navy cryptanalytic bombe 6

Pictures taken by myself at the US National Cryptologic Museum.

US-UK strip cipher

US-UK strip cipher

Pictures taken by myself at the US National Cryptologic Museum.

USS Liberty second ensign 2

USS Liberty second ensign 2

Pictures taken by myself at the US National Cryptologic Museum.

Table de chiffrement de la guerre franco-prussienne de 1870, évoquant une série de mots classés par ordre alphabétique, - Archives Nationales - F-90-11676 - (1)

Table de chiffrement de la guerre franco-prussienne de 1870, évoquant ...

Français : Table de chiffrement de la guerre franco–prussienne de 1870, évoquant une série de mots classés par ordre alphabétique

Bahaeddin Şakir telegram 4 July 1915

Bahaeddin Şakir telegram 4 July 1915

English translation: "Have Armenians who were deported from there been eliminated? Have those harmful elements who were distanced [from there] through deportation been liquidated or simply deported? Please be ... More

Codefranch

Codefranch

Русский: Шифроблокнот армии Наполеона за 1812 год

Bomba full

Bomba full

The Polish Bomba

Henryk Zygalski

Henryk Zygalski

Henryk Zygalski - Polish mathematician and cryptologist, helped decipher Enigma. Polski: Henryk Zygalski - polski matematyk i kryptolog, pomógł odszyfrować Enigmę.

Jerzy Rozycki

Jerzy Rozycki

Jerzy Różycki - Polish mathematician and cryptologist, helped decipher Enigma. Polski: Jerzy Różycki - polski matematyk i kryptolog, pomógł odszyfrować Enigmę.

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More

Mercury; or, The secret and swift messenger. Shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. By the Right Rev. ... John Wilkins, late lord bishop of Chester.

Mercury; or, The secret and swift messenger. Shewing, how a man may wi...

This is the third treatise making up the mathematical works of John Wilkins, of which the first is A discovery of a new world, and the second is Mathematical magic. cf. recto of front. Publisher's advertisement... More