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New Inventions of Modern Times [Nova Reperta], The Invention of Gunpowder, plate 3

New Inventions of Modern Times [Nova Reperta], The Invention of Gunpow...

Public domain scan of Dutch print from Metropolitan Museum of Art, free to use, no copyright restrictions - Picryl description

New Inventions of Modern Times [Nova Reperta], The Invention of Oil Painting, plate 14

New Inventions of Modern Times [Nova Reperta], The Invention of Oil Pa...

Public domain image of painting, 17th-18th century, Netherlands, free to use, no copyright restrictions image - Picryl description

Titelprent voor de serie Nova Reperta

Titelprent voor de serie Nova Reperta

Public domain scan of 16th-century print, free to use, no copyright restrictions image - Picryl description

New Inventions of Modern Times [Nova Reperta], The Invention of Clockwork, plate 5

New Inventions of Modern Times [Nova Reperta], The Invention of Clockw...

Public domain scan of Dutch print from Metropolitan Museum of Art, free to use, no copyright restrictions - Picryl description

Coupe et perspective de l'église de Saint Sulpice de Paris.

Coupe et perspective de l'église de Saint Sulpice de Paris.

Eglise de Saint-Sulpice. / Le Séminaire. / E. (Serie's title) Fixée sur un montage.

New Inventions of Modern Times [Nova Reperta], The Invention of Book Printing, plate 4

New Inventions of Modern Times [Nova Reperta], The Invention of Book P...

Public domain image of a city, buildings, cityscape, streets, 17th-century architecture, Netherlands, free to use, no copyright restrictions image - Picryl description.

New Inventions of Modern Times [Nova Reperta], The Discovery of the Establishment of the Longitudes, plate 16

New Inventions of Modern Times [Nova Reperta], The Discovery of the Es...

Public domain image of a sailing ship, caravel, harbor, sea, naval battle, 16th-17th century maritime architecture, Netherlands, free to use, no copyright restrictions image - Picryl description.

De zeilwagen van Simon Stevin, 1602

De zeilwagen van Simon Stevin, 1602

Public domain image of a sailing ship, caravel, harbor, sea, naval battle, 16th-17th century maritime architecture, free to use, no copyright restrictions image - Picryl description.

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur Federic de Vinciolo Venitien

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur F...

Public domain photo of Italian sculpture, 17th century, free to use, no copyright restrictions image - Picryl description.

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur Federic de Vinciolo Venitien, page 56 (recto)

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur F...

Public domain reproduction of Italian art print, free to use, no copyright restrictions image - Picryl description

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur Federic de Vinciolo Venitien, page 27 (recto)

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur F...

Public domain reproduction of Italian art print, free to use, no copyright restrictions image - Picryl description

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur Federic de Vinciolo Venitien, page 8 (recto)

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur F...

Public domain reproduction of a relief art print, free to use, no copyright restrictions image - Picryl description

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur Federic de Vinciolo Venitien, page 60 (recto)

Les Secondes Oeuvres, et Subtiles Inventions De Lingerie du Seigneur F...

Public domain reproduction of a relief art print, free to use, no copyright restrictions image - Picryl description

Plate 7: a cartouche flanked by two satyrs, crowned with half a herm and half a cardinal's hat, from 'Nouvelles inventions de Cartouches'

Plate 7: a cartouche flanked by two satyrs, crowned with half a herm a...

Public domain reproduction of Italian art print, free to use, no copyright restrictions image - Picryl description

Fig. XLVI. Hydromylos per hydrergon versatilis. Theatrum Machinarum Novum.

Fig. XLVI. Hydromylos per hydrergon versatilis. Theatrum Machinarum No...

Public domain scan of 17th-century drawing, free to use, no copyright restrictions image - Picryl description

Fig. XXXIV. Aconi-&Sitimylos. Theatrum Machinarum Novum.

Fig. XXXIV. Aconi-&Sitimylos. Theatrum Machinarum Novum.

Public domain scan of 17th-century drawing, free to use, no copyright restrictions image - Picryl description

[Diagram of experiment with prisms that led Newton to conclude light is a mixture of differently refrangible rays; with surrounding text]

[Diagram of experiment with prisms that led Newton to conclude light i...

Illus. and text in: A letter ... containing his new theory about light and colors / Isaac Newton. In Royal Society of London. Philosophical Transactions, vol. 6, Feb. 1672. Published in: The tradition of scienc... More

Drie afbeeldingen ter opheldering van de werking van het oog, gemerkt I-III

Drie afbeeldingen ter opheldering van de werking van het oog, gemerkt ...

Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Public domain photo of a 3d object, Europe, free to use, no copyright restrictions image - Picryl description

Public domain photo of a 3d object, Europe, free to use, no copyright ...

Public domain photo of a 3d object, free to use, no copyright restrictions image - Picryl description.

Christian Friedrich Fritzsch - Muziekinstrumenten

Christian Friedrich Fritzsch - Muziekinstrumenten

Weergave van verschillende muziekinstrumenten, geduid met de letters A tot en met T. Prent rechtsboven gemerkt: Tab: XXVI.

Man met een kaars en een constructie met een net

Man met een kaars en een constructie met een net

Twee voorstellingen op een blad. Boven: Een man met een kaars in de hand. Onder: Constructie omringd door een net. Boven een haak.

Jan Schenk - Technische tekeningen van trap

Jan Schenk - Technische tekeningen van trap

Technische tekeningen van een spiltrap (nummer 41). Boven- en zijaanzichten. Public domain photograph of building plan, architecture design drawing, free to use, no copyright restrictions image - Picryl description

Jan Schenk - Technische tekeningen van trap

Jan Schenk - Technische tekeningen van trap

Technische tekeningen van een spiltrap (nummer 40). Boven- en zijaanzichten en traphek.

Natuurkundige instrumenten - Public domain  drawing

Natuurkundige instrumenten - Public domain drawing

Public domain scan of 18th-century drawing, free to use, no copyright restrictions image - Picryl description

Cooke's Patent Drill Machine

Cooke's Patent Drill Machine

Machine for sowing seeds. Illus. in: Columbian Magazine, 1789 June, opp. p. 353. This record contains unverified, old data from caption card. Caption card tracings: BI WORKS; Rare Bk. Div.; Farm machinery; Shelf.

Land Marks, Liverpool Bay - Public domain architectural drawing

Land Marks, Liverpool Bay - Public domain architectural drawing

Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Public domain photo of a 3d object, Europe, free to use, no copyright restrictions image - Picryl description

Public domain photo of a 3d object, Europe, free to use, no copyright ...

Public domain photo of a 3d object, free to use, no copyright restrictions image - Picryl description.

Dynometer for fan experiments - Public domain  drawing

Dynometer for fan experiments - Public domain drawing

Drawing. This record contains unverified data from caption card.

Patent drawing - Drawing of Improvement in Breech Loading Firearms Public domain  image

Patent drawing - Drawing of Improvement in Breech Loading Firearms Pub...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Public domain photo of a 3d object, Europe, free to use, no copyright restrictions image - Picryl description

Public domain photo of a 3d object, Europe, free to use, no copyright ...

Public domain photo of a 3d object, free to use, no copyright restrictions image - Picryl description.

Patent drawing - Drawing of Improvement in Projectiles for Rifled Ordnance Public domain  image

Patent drawing - Drawing of Improvement in Projectiles for Rifled Ordn...

Utility Patent Drawings Public domain photograph of the US industrial development, construction, work of U.S. government, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Artificial Leg Public domain  image

Patent drawing - Drawing of Artificial Leg Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

[Scaled design drawing for the valve assembly of a balloon, including top, bottom, and side views] / J. Chavoutier, architecte, r. Louis LeGrand 37, Paris.

[Scaled design drawing for the valve assembly of a balloon, including ...

Tissandier collection. Public domain scan of decorative drawing, decor elements, art design, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Velocipede Public domain  image
Professor Bell in Lyceum Hall, Salem, addressing a party of scientific men in Boston / From sketches by E.R. Morse.

Professor Bell in Lyceum Hall, Salem, addressing a party of scientific...

Print shows the inventor Alexander Graham Bell demonstrating his experimental telephone, which had a connection between Salem and Boston, Massachusetts. Bell had given previous demonstrations in February 1877 a... More

Patent drawing - for F. Shaw's Head Telephone Public domain  image

Patent drawing - for F. Shaw's Head Telephone Public domain image

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing for a Staple Magazine and Feed Means for Stapling Machines Public domain  image

Patent drawing - Drawing for a Staple Magazine and Feed Means for Stap...

This is the printed patent drawing for a staple magazine and feed mechanism for staplers, invented by Henry Ruskin. Patent Case Files

NASA ADMINISRATOR AWARDS FOR INVENTIONS D SHEIBLY AND L THALLER

NASA ADMINISRATOR AWARDS FOR INVENTIONS D SHEIBLY AND L THALLER

The original finding aid described this as: Capture Date: 10/20/1980 Photographer: JOHN MARTON Keywords: Larsen Scan Location Building No: 301 Location Room: 102 Photographs Relating to Agency Activities, ... More

PRESENTATION OF A SPECIAL MONETARY AWARD FROM THE INVENTIONS AND CONTRIBUTIONS BOARD TO DR GERALD BROWN

PRESENTATION OF A SPECIAL MONETARY AWARD FROM THE INVENTIONS AND CONTR...

The original finding aid described this as: Capture Date: 6/24/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 3 Location Room: 110 Photographs Relating to Agency Activities, Fa... More

Fig. LIV. Hydromylos cum cochleâ. Theatrum Machinarum Novum.

Fig. LIV. Hydromylos cum cochleâ. Theatrum Machinarum Novum.

Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description

Fig. CXXXIX. Haustrum, per urnam, & pateotrochum. Theatrum Machinarum Novum.

Fig. CXXXIX. Haustrum, per urnam, & pateotrochum. Theatrum Machinarum ...

Public domain reproduction of artwork, free to use, no copyright restrictions image - Picryl description

Fig. CXXXIII. Haustrum simplex, per capsulas. Theatrum Machinarum Novum.

Fig. CXXXIII. Haustrum simplex, per capsulas. Theatrum Machinarum Novu...

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Letter, Wilbur Wright to Octave Chanute concerning the Wright brothers' aviation experiments, 13 May 1900

Letter, Wilbur Wright to Octave Chanute concerning the Wright brothers...

Reproduction number: A21 (color slide; first page); A22 (color slide; last page); LC-MSS-15560-1 (B&W negatives; pages 1-5) Engineer Octave Chanute (1832-1910), a friend and supporter of Wilbur Wright (1867-191... More

Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895

Plate, punch card, and instructions for Herman Hollerith's Electric So...

Reproduction number: A55 (color slide; pages 4 and 5 of instructions); A56 (color slide; plate and punch card) Modern data processing began with the inventions of American engineer Herman Hollerith (1860-1929),... More

Longcase clock with calendar, copper alloy, London, England

Longcase clock with calendar, copper alloy, London, England

Public domain photo of a golden object, United Kingdom, free to use, no copyright restrictions image - Picryl description

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat graphics specialist with 1st Communication Strategy and Operations Company, I Marine Expeditionary Force Information Group, adjusts a microprocessor during an ... More

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat graphics specialist with 1st Communication Strategy and Operations Company, I Marine Expeditionary Force Information Group, sits at his workstation during an i... More

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat graphics specialist with 1st Communication Strategy and Operations Company, I Marine Expeditionary Force Information Group, completes coursework at his worksta... More

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat

U.S. Marine Corps Lance Cpl. Tyler Forti, a combat graphics specialist with 1st Communication Strategy and Operations Company, I Marine Expeditionary Force Information Group, listens to a virtual lecture at his... More

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Public domain photo of art print, 17th century, free to use, no copyright restrictions image - Picryl description.

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Public domain scan of 16th-17th century print, free to use, no copyright restrictions image - Picryl description

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Public domain scan - 17th-century genre print, free to use, no copyright restrictions image - Picryl description

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Public domain photo of art print, 16th-17th century, free to use, no copyright restrictions image - Picryl description.

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Public domain photo of art print, 16th-17th century, free to use, no copyright restrictions image - Picryl description.

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Public domain photograph of 17th-century workshop, early industrial development, science, free to use, no copyright restrictions image - Picryl description

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Jan Galle - Speculum diuersarum imaginum speculatiuarum

Public domain scan of 17th-18th century print, free to use, no copyright restrictions image - Picryl description

Patent drawing - Patent Application for Parasol Attachment (to a Bicycle) Public domain  image

Patent drawing - Patent Application for Parasol Attachment (to a Bicyc...

Bicycle patent art from United States Patent Office

Patent drawing - Spring Fork Patent (1920) Public domain  image

Patent drawing - Spring Fork Patent (1920) Public domain image

Bicycle patent art from United States Patent Office

Image taken from page 255 of 'Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc'

Image taken from page 255 of 'Metallurgy. The art of extracting metals...

Image taken from:..Title: "Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc".Author: PERCY, John - M.D.Shelfmark: "British Library HMNTS 07107.... More

Image taken from page 88 of 'Farming Implements, their various uses and recent modern improvements compared with the old machines. By F. D. P'

Image taken from page 88 of 'Farming Implements, their various uses an...

Image taken from:..Title: "Farming Implements, their various uses and recent modern improvements compared with the old machines. By F. D. P".Author: P., F. D..Shelfmark: "British Library HMNTS 1254.d.12.".Page:... More

Leonardo Da Vinci Drawngs - Public domain portrait drawing

Leonardo Da Vinci Drawngs - Public domain portrait drawing

Drawings from manuscripts by Leonardo Da Vinci Public domain photograph of 15th century drawing, free to use, no copyright restrictions image - Picryl description Public domain scan of 16th-century drawing, f... More

Leonardo Da Vinci Drawngs - Public domain portrait drawing

Leonardo Da Vinci Drawngs - Public domain portrait drawing

Drawings from manuscripts by Leonardo Da Vinci Public domain photograph of 15th century drawing, free to use, no copyright restrictions image - Picryl description Public domain scan of 16th-century drawing, f... More

Leonardo Da Vinci Drawngs - Public domain  drawing

Leonardo Da Vinci Drawngs - Public domain drawing

Drawings from manuscripts by Leonardo Da Vinci Public domain photograph of 15th century drawing, free to use, no copyright restrictions image - Picryl description Public domain scan of 16th-century drawing, f... More

Recueil des planches du dictionnaire encyclopedique de l'art aratoire et du jardinage. 1802 (126148992)

Recueil des planches du dictionnaire encyclopedique de l'art aratoire ...

Polski: Adres wydawniczy: Paris : chez H. Agasse, 1802Opis fizyczny: [2] s., 54 k. tabl. ; 30 cm

Ms 7295 f 77bis mvt lune-sun

Ms 7295 f 77bis mvt lune-sun

Français : Dessin à main levée de rouages d'une horloge astronomique (mouvements de la Lune et du Soleil).

Plan, profil et coupe d'un chapiteau d'angle du temple ionique Fig 1 Plan du chapiteau Fig 2 Profil du chapiteau Fig3 Co - Stuart James & Revett Nicholas - 1808

Plan, profil et coupe d'un chapiteau d'angle du temple ionique Fig 1 P...

James Stuart & Nicholas Revett. The Antiquities of Athens measured and delineated by James Stuart F.R.S. and F.S.A. and Nicholas Revett Painters and Αrchitects, London, John Nichols, 1794

Drawings for graphic telescope varley

Drawings for graphic telescope varley

Drawings for graphic telescopes, by the inventor

Patent drawing - Patent 1510937 Motor Cycle Figs 4 to 8 Public domain  image

Patent drawing - Patent 1510937 Motor Cycle Figs 4 to 8 Public domain ...

Figures 4 to 8 from US Patent No. 1,510,937: Motor Cycle, granted to William S. Harley and Adam Ziska, Jr. on 1 November 1924

Tesla Broadcast Tower 1904

Tesla Broadcast Tower 1904

Nikola Tesla's Wardenclyffe wireless station, located in Shoreham, New York, seen in 1904. The 187 foot (57 m) transmitting tower appears to rise from the building but actually stands on the ground behind it.... More

Wardenclyffe Tower - A black and white photo of an old radio tower

Wardenclyffe Tower - A black and white photo of an old radio tower

Tesla's Wardenclyffe plant on Long Island in partial stage of completion. Work on the 55-foot diameter cupola had not yet begun. Note what appears to be a coal car parked next to the building. From this faci... More

Tesla drawing 1899 - Evolution of Tesla transformer

Tesla drawing 1899 - Evolution of Tesla transformer

Drawing by Serbian American inventor Nikola Tesla showing stages in his evolution of the high frequency resonant transformer used in his Tesla coil. He developed the Tesla transformer around 1891-1892 althoug... More

Favey Broad Loom depicted in Industrial History of the United States (1878)

Favey Broad Loom depicted in Industrial History of the United States (...

Favey Broad Loom, 1878 Identifier: industrialhistor00boll (find matches) Title: Industrial history of the United States, from the earliest settlements to the present time: being a complete survey of American i... More

Industrial history of the United States, from the earliest settlements to the present time- being a complete survey of American industries, embracing agriculture and horticulture; including the (14572710228)

Industrial history of the United States, from the earliest settlements...

Identifier: industrialhistor00boll (find matches) Title: Industrial history of the United States, from the earliest settlements to the present time: being a complete survey of American industries, embracing a... More

Wardwell sewing machine depicted in Industrial History of the United States (1878)

Wardwell sewing machine depicted in Industrial History of the United S...

Wardwell Sewing Machine, 1878 Identifier: industrialhistor00boll (find matches) Title: Industrial history of the United States, from the earliest settlements to the present time: being a complete survey of Ame... More

Patent drawing - 1915 Kendall US1330471 Fig2 - . Public domain  image

Patent drawing - 1915 Kendall US1330471 Fig2 - . Public domain image

Fig 2 from US Patent 1330471 "High-Frequency Signalling", a Hartley Oscillator regenerative audion Deutsch: Fig 2 aus US Patent 1330471 "High-Frequency Signalling", ein Hartley Oszillator RK-Audion

Patent drawing - Betty Boop patent fig1 - . Public domain  image

Patent drawing - Betty Boop patent fig1 - . Public domain image

Here is a colored version of this drawing.Betty Boop character design, figure 1 from U.S. patent application D86224 "Design for a Doll or Similar Article". Svenska: Utseende för Betty Boop, figur 1 från ame... More

Patent drawing - Colt Model 1902 Patent - . Public domain  image

Patent drawing - Colt Model 1902 Patent - . Public domain image

Picryl description: Public domain image of a firearm, gun, pistol, free to use, no copyright restrictions.

Patent Drawing of Engine - Consolidated MS - . Public domain  image

Patent Drawing of Engine - Consolidated MS - . Public domain image

Consolidated Engineering Corporation Mass Spectrometer Patent 2341551

Patent drawing - Public Domain Images - Diagonal Slash Patent Public domain  image

Patent drawing - Public Domain Images - Diagonal Slash Patent Public d...

These are the diagrams for Israel Pilot's 1941 US Patent #2245413 and are public domain. The now expired patent covers a design for improving the comfort and wear-ability for brassieres using a "diagonal slash... More

Patent drawing - Fig. 4A of 850 patent in Versata v. SAP case Public domain  image

Patent drawing - Fig. 4A of 850 patent in Versata v. SAP case Public d...

This diagram from the 850 patent illustrates the invention and the court refers to it in its opinion in Versata v. SAP.

Patent drawing - Fleischer stereoptical camera fig2 edit Public domain  image

Patent drawing - Fleischer stereoptical camera fig2 edit Public domain...

Fleischer Studios' stereoptical (a.k.a. stereo-optical, or setback) camera, for producing three-dimensional effects in animation, roughly similar to Disney's multiplane camera. From the patent by Max Fleischer... More

Patent Drawing of Engine - Getriebelokomotive nach C D Scott US470078 Public domain  image

Patent Drawing of Engine - Getriebelokomotive nach C D Scott US470078 ...

Fig. 2 of US Patent 470078 showing the propelling gear for a tramway locomotive by Charles D. Scott. Index: A - Boiler B - Cab b, b’ - Wheelsets C - Fuel and water tank D - locomotive frame E, E’ - cylinder... More

Patent drawing - Haunted swing patent Public domain  image

Patent drawing - Haunted swing patent Public domain image

Drawing showing a cutaway of the haunted swing illusion. Figure 1 from US patent 508227A.

Patent drawing - Holderer wind tunnel patent - Public domain portrait drawing Public domain  image

Patent drawing - Holderer wind tunnel patent - Public domain portrait ...

Patent application drawing of an Electric arc driven wind tunnel

Patent drawing - Horn pt1919 Public domain  image

Patent drawing - Horn pt1919 Public domain image

Patent drawing of flight simulator by Guido Horn (Germany - 1919) Deutsch: Titel TI [EN] Device for training pilots and observers in handling aeroplanes Anmelder/Inhaber PA GUIDO HORN Erfinder IN GUI... More

Patent Drawing of Engine - Isolastic System - . Public domain  image

Patent Drawing of Engine - Isolastic System - . Public domain image

B62K25/283 Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay for cycles without a pedal crank, e.g. motorcycles. Inventor Bernard Hooper, Robert Victor Trigg Current... More

Patent drawing - Joke Buzzer Patent - . Public domain  image

Patent drawing - Joke Buzzer Patent - . Public domain image

Diagram of the first joke buzzer, later joy buzzer, from United States patent application 1845735, by Soren Sorensen Adams.

Patent drawing - Mathison-2684670 - . Public domain  image

Patent drawing - Mathison-2684670 - . Public domain image

Electropsychometer or bioelectronic instrument. Illustration in application for US Patent 2684670.

Patent drawing - Meissner Patent - . Public domain  image

Patent drawing - Meissner Patent - . Public domain image

Deutsch: Meissner Oszillator Patentschrift

Patent drawing - Nelly Bly patent - . Public domain  image
Patent drawing - NES patented design - . Public domain  image

Patent drawing - NES patented design - . Public domain image

Original design for the Nintendo Entertainment System as created by Masayuki Yukawa for a United States patent

Patent drawing - Picryl description: Public domain image of a 19th-century corset, fashion, free to use, no copyright restrictions. Public domain  image

Patent drawing - Picryl description: Public domain image of a 19th-cen...

Public domain image with Picryl description as title

Patent drawing - Orthogonal acceleration TOF - . Public domain  image

Patent drawing - Orthogonal acceleration TOF - . Public domain image

Orthogonal acceleration time of flight mass spectrometer schematic from U.S. Patent 7230234, "Orthogonal acceleration time-of-flight mass spectrometer" (Tatsuji Kobayashi). 20 – ion source 21 – ion transport 2... More

Patent drawing - Patent No 725069 - . Public domain  image

Patent drawing - Patent No 725069 - . Public domain image

Body-attachable Sunshade, Patent No. 725069

Patent drawing - Plauson Node - . Public domain  image
Patent drawing - Robert S. Ledley's Computer Aided Tomography Patent - Figures 1 and 2 Public domain  image

Patent drawing - Robert S. Ledley's Computer Aided Tomography Patent -...

Robert S. Ledley Computer Aided Tomography Patent - Figures 1 and 2

Patent drawing - Rocketbelt - . Public domain  image

Patent drawing - Rocketbelt - . Public domain image

A perspective view showing a propulsion unit as applied to an individual

Patent drawing - Steyr ACR layout schematic - . Public domain  image
Patent drawing - Tapper patent - . Public domain  image

Patent drawing - Tapper patent - . Public domain image

Image of a patent titled "Video game in which a host image repels ravenous images by serving filled vessels," filed by Marvin Glass & Associates, developers of 1983 video game Tapper.

Patent drawing - Ted nelson stud welding machine patno 2413189 Public domain  image

Patent drawing - Ted nelson stud welding machine patno 2413189 Public ...

Deutsch: Lichtbogenbolzenschweißgerät; Ted Nelson; 1944 English: Stud welding machine; Ted Nelson; 1944

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