Basilica 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 1.—Basilica at Pompeii. 1, Portico (Chalcidicum); 2, hall of basilica; 3, aisles; 4, altar; 5, tribunal; 6, offices.
Woodeson Boiler - Boiler - Britannica - Fig. 13
Woodeson Boiler Public domainPublic domainfalsefalse This image comes from the 12th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States becau... More
Barbiton 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BARBITON. Barbiton, from a bas-relief in the Louvre, "Achilles at Scyros."
Barrel-organ 2 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BARREL-ORGAN. Compass of Solomon de Caus' barrel-organ, 1615.
Basilica 15 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 15.—Plan of Basilica of S. Clemente in Rome. 1. Porch. 2. Atrium. 3. Nave. 4. Aisle for men. 5. Aisle for women. 6. Chorus cantorum. 7. Al... More
Basset-horn 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASSET HORN.
Azores 1 - Public domain old vintage map
Illustration from 1911 Encyclopædia Britannica, article AZORES.
Babcock & Wilcox water-tube Boiler (marine type) - Boiler - Britannica...
Babcock & Wilcox water-tube Boiler (marine type)
Bacteriology 12 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 12. A. Myxococcus digelatus, bright red fructification occurring on dung. B. Polyangium primigenum, red fructification on dog's dung. C... More
Bacteriology 16 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 16. a, root nodule of the lupin, nat. size. (From Woromv.) b, longitudinal section through root and nodule. g, fibro-vascular bundle. w... More
Bag-pipe music 16 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Improved musette: the drones.
Bag-pipe music 3 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Coghiegh nha Shie (War of peace).
Bag-pipe music 6 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Compass of Sackpfeife.
Barometer 2 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAROMETER. Fig. 2. Cistern Barometer.
Barrel-organ 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BARREL-ORGAN. Fig. 1.—Large stationary barrel-organ worked by hydraulic power, from Solomon de Caus, Les Raisons des forces mouvantes (Frankfort-on-Main, 1615).
Barytes 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BARYTES. Crystals of barytes are orthorhombic and isomorphous with the strontium and lead sulphates (celestite and anglesite); they are usually very perfe... More
Bass-clarinet 2 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASS CLARINET. Excerpt from Tristan und Isolde.
Britannica Destructors 5 - Public domain book illustration
Leyton Destructor. Block Plan, showing general arrangement of the Works.
Britannica Die - Public domain book illustration
The fabrics known as “dice” take their name from the rectangular form of the figure.
Britannica Diffraction of Light 9
Diffraction gratings with x², y², x³ and xy² discrepancies.
Britannica Dock 4 - Public domain geographic map
Southampton Docks and River Quays.
Britannica Dock 9 - Public domain book illustration
Havre Bellot Dock Wall.
Britannica Dog 23 - Public domain book illustration
Borzoi. (From Photo by Bowden Bros.) Picryl description: Public domain image of a dog, free to use, no copyright restrictions image.
Britannica Drainage of Land - Public domain book illustration
Draining Implements.
Britannica Dredge and Dredging 5
Dredger built for the Lake Copais Company by Hunter & English of Bow, London
Britannica Dynamo 12 - Public domain book illustration
If the additional loops (fig. 11) are wound within the same slots as the original loop, the winding is “concentrated,” and each turn will then add the same E.M.F. But if the coil-side is divided between two or ... More
Britannica Dynamo 8 - Public domain book illustration
In the drum form of homopolar dynamo, the field is divided into two or more projecting poles, all of the same sign, with intervening neutral spaces of equal width, and the span of the loop in the direction of r... More
Britannica Ear 1 - Public domain book illustration
The Ear as seen in Section. a, Helix. b, Antitragus. c, Antihelix. d, Concha. e, Lobule. f, Mastoid process. g, Portio dura. h, Styloid process. k, Internal carotid artery. l, Eustachian tube. m, Tip of petro... More
Britannica Ear-ring 1 - Public domain book illustration
Ear-ring from an Assyrian bas relief. From La Grande Encyclopédie.
Britannica Echinoderma 3 - Public domain book illustration
Supposed calycinal systems of free-moving Echinoderms. A, regular sea-urchin (Cidaris); B, sea-urchin with a suranal plate (Salenia); C, developing ophiurid (Amphiura); D, young starfish (Zoroaster).
Double-ended Marine Boiler - Boiler - Britannica - Fig. 8
Double-ended Marine Boiler Public domainPublic domainfalsefalse This image comes from the 12th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United S... More
Britannica Dredge and Dredging 4
Stern-well hopper-dredger La Puissante ("The Powerful"), built in 1900 by Wm. Simons & Co of Renfrew to dredge Port Said Roads in Egypt. 3,900 GRT, length 275 ft, breadth 47 ft, depth 19 ft.
Lancashire Boiler - Boiler - Britannica - Fig. 3
Lancashire Boiler Public domainPublic domainfalsefalse This image comes from the 12th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States bec... More
Simple Vertical Boiler - Boiler - Britannica - Fig. 4
Simple Vertical Boiler Public domainPublic domainfalsefalse This image comes from the 12th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United State... More
Vertical Boiler with water-tubes - Boiler - Britannica - Fig. 5
Vertical Boiler with water-tubes Public domainPublic domainfalsefalse This image comes from the 12th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the Un... More
Bacteriology 11 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 11.—Stages in the development of spores of Bacillus ramosus (Fraenkel), in the order and at the times given, in a hanging drop culture,... More
Bag-pipe music 11 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Compass of Magdeburg sackpfeife.
Bag-pipe music 14 - Public domain sheet music scan
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Improved musette: the seven keys of the grand chalumeau.
Bag-pipe music 15 - Public domain sheet music scan
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Improved musette: the six keys of the petit chalumeau.
Bag-pipe music 7 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Compass of Bock.
Balanoglossus 2 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BALANOGLOSSUS. Fig. 2.—Structure of branchial region. bc, coelom. tb, tongue-bars. ds, mesentery. pr, ridge. vv, vessel. gp, gill-pore. dn, dorsal nerve.... More
Basset-horn 6 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASSET HORN. Compass of the basset horn (actual sounds).
Britannica Density 9 - Public domain book illustration
Brewster’s Staktometer.
Britannica Destructors 2 - Public domain book illustration
Horsfall’s Improved Destructor.
Britannica Diamond 11 - Public domain book illustration
De Beers Mine, 1873.
Britannica Diplodocus - Public domain natural history illustration
Reconstructed Skeleton of Diplodocus carnegii, Hatcher, about one-hundredth natural size. A and B, Caudal Vertebrae Nos. 36 and 70 of the same are about one-quarter natural size.
Britannica Dog 28 - Public domain book illustration
Harrier. (From Photo by Bowden Bros.) Picryl description: Public domain image of a dog, free to use, no copyright restrictions image.
Britannica Drinking Vessels 15 - Public domain book illustration
SWISS “TANZENMANN.” Seventeenth century.
Britannica Drowning and Life Saving 8
Schäfer method of treatment of the apparently drowned. Position A.
1911French Congo - Public domain geographic map
A map of the French Congo, including Rio Muni, Fernando Po, and the German Cameroon c. 1911
Babcock & Wilcox water-tube Boiler - Boiler - Britannica - Fig. 11
Babcock & Wilcox water-tube Boiler Public domainPublic domainfalsefalse This image comes from the 12th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the ... More
Bacteriology 9 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 9. A. Bacillus anthracis. (After de Bary) Two of the long filaments (B, fig. 10) in which spores are being developed. The specimen was ... More
Bag-pipe music 9 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAG-PIPE. Compass of Hümmelchen.
Bagging 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAGGING. Most bagging is now made from yarns of the jute fibre. The cloth is, in general, woven with the plain weave, and the warp threads run in pairs, b... More
Bamboo 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAMBOO. Fig. 1.—Bambusa arundinacea, an Indian bamboo. 1, Leafy shoot. 2, Branch of inflorescence. 3, Spikelet. 4, Flower.
Banana 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BANANA. Banana (Musa sapientum).
Basilica 18 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 18.—Apse of Basilica, Torcello, with Bishop's throne and seats for the clergy.
Basilica 2 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 2.—Plan of Basilica Julia, Rome.
Basilica 22 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 22.—Ground-Plan of the original Cathedral at Canterbury, as restored by Willis. A, High altar. B, Altar of our Lord. C, C, Steps to crypt.... More
Basilica 5 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 5.—Section of the Basilica of Maxentius or Constantine (Temple of Peace).
Brewing 6 - Public domain book illustration
Public domain image of cattle, livestock, farm animals, agriculture, free to use, no copyright restrictions - Picryl description
Britannica Density 7 - Public domain book illustration
Improved determination of density by J. S. Lumsden.
Britannica Diamond 12 - Public domain book illustration
Kimberley Mine, 1874. Public domain photograph related to Jerusalem, Palestine, Israel, Jewish history, free to use, no copyright restrictions image - Picryl description
Britannica Dodder 2 - Public domain botanical illustration
Cuscuta glomerata. Section through union between parasite and host. c, stem of host. d, stem of Cuscuta. h, haustoria. (After Dodel-Port.)
Britannica Dog 3 - Public domain book illustration
Dalmatian. (From Photo by Bowden Bros.) Picryl description: Public domain image of a dog, free to use, no copyright restrictions image.
Britannica Ductless Glands 1 - Public domain book illustration
The Spleen—Visceral Aspect. From D. J. Cunningham, Cunningham’s Text-book of Anatomy. Español: Aspecto del bazo normal.
Britannica Dyeing 1 - Public domain book illustration
Dye-vat for Yarn.
Britannica Dyeing 2 - Public domain book illustration
Yarn in the warp is dyed in vats or "boxes" through which it is caused to pass continuously.
Britannica Dynamo 33 34 - Public domain book illustration
Self-exciting dynamos. Left, the series machine, shows the winding of the exciting coils to be composed of a few turns of thick wire. Since the current is undivided throughout the whole circuit, the resistance ... More
Britannica Dredge and Dredging 12
Model of rock-cutting dredger Derocheuse. Built by Lobnitz & Co in 1887 for special work on the Suez Canal. 695 GRT, length 180 ft, breadth 40 ft, depth 12 ft.
Britannica Dredge and Dredging 7
Twin-screw sand-pump dredger Kate, 1,154 GRT, built in 1897 by Wm. Simons & Co of Renfrew for the East London Harbour Board, Cape Colony. She passed to the government of the newly-formed Union of South Africa i... More
Austria-hungary 1 - Public domain geographic map
Illustration from 1911 Encyclopædia Britannica, article AUSTRIA-HUNGARY.
Baalbek 1 - Public domain engraving
"Baalbek": An engraving of the ruins of the acropolis (Tell Baalbek) of Heliopolis in modern Baalbek, Lebanon. Facing west-southwest, with the Temple of Jupiter labelled as the Temple of the Sun.
Bacteriology 1 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 1.—Preparations showing various forms of bacteria and the various types of cilia and their arrangement. A. Bacillus subtilis, Cohn, and... More
Bacteriology 17 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 17.—A plate-culture of a bacillus which had been exposed for a period of four hours behind a zinc stencil-plate, in which the letters C... More
Bacteriology 19 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 19.—Ginger-beer plant, showing yeast (Saccharomyces pyriformis) entangled in the meshes of the bacterium (B. vermiforme). (H. M. W.)
Bacteriology 4 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BACTERIOLOGY. Fig. 4.—Types of Spore-formation in Schizomycetes. (After Zopf.) A. Various stages in the development of the endogenous spores in a Clostrid... More
Barometer 4 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BAROMETER. Fig. 4.—Aneroid Barometer. Fig. 4 represents the internal construction, as seen when the face is removed, but with the hand still attached, o... More
Basilica 11 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 11.—Sectional view of the old Basilica of St Peter, before its destruction in the 16th century.
Basilica 13 - Public domain book illustration
Illustration from 1911 Encyclopædia Britannica, article BASILICA. Fig. 13.—Section of the Basilica of St Paul, Rome.
Britannica Diagram 2 - Public domain drawing
Diagram of Stress. Public domain scan of geometry drawing, free to use, no copyright restrictions image - Picryl description
Britannica Dial 10 - Public domain book illustration
Determination of the hour-angle of the sun.