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Hon. Gordon N. Mott, Nev - NARA - 526559
Pierre gravée trouvée dans les fouilles de la rue d'Arcole, 4ème arrondissement, Paris
View from Lookout Mountain, Tenn. American Civil War photograph by Mathew Brady.
Travaux de l'église Saint-Eustache, gargouille, 1er arrondissement, Paris. Avril-Mai 1895.
View from Lookout Mountain, Tenn - NARA - 527819
U.S. Coast Guard Cutter WHITE SUMAC, U.S. Coast Guard 8th District Base, 4640 Urquhart Street, New Orleans, Orleans Parish, LA
Confederate signal tower at Ft. McAllister, Georgia
[Gettysburg, Pennsylvania The center of the Federal position viewed from Little Round Top]
Resten van een brug over de Rio Movene in Mozambique
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Plaza Degetau, Aguadilla, Puerto Rico
A black and white photo of people in a shack, Workers' quarters, Ponce, Puerto Rico
Loading tobacco, Porto Rico - stereoscopic view, public domain photorpaph
Workers' quarters, Ponce, Puerto Rico
Warehouses of the port of Ponce, Porto Rico
Lighthouse in Punta Borinquen, Aguadilla, Puerto Rico
A red and white lighthouse sitting on top of a cement wall. Puerto calero lanzarote lighthouse.
Primitive shipping--unloading lighters at Playa--seaport of Ponce, Porto Rico
The Plaza, San Juan, Puerto Rico
Unloading lighters, the Plaza, Puerto Rico
Summary
Men unloading barrels and bags from boats, San Juan, Puerto Rico.
D9927 U.S. Copyright Office.
Copyright by R.Y. Young.
Stereographs are devices capable of building a three-dimensional image out of two photographs that have about two and a half inches difference between them so that it could imitate the two eyes’ real field of view. Combining these images into a single one with the help of stereoscope, a person can experience the illusion of the image’s depth. Stereoscope uses the same principle as in human binocular vision. Our eyes are separated by about two inches, so we see everything from two different angles. When the brain combined those views in a single picture, we get the spatial depth and dimension. Stereographs were extremely popular between 1850 and 1930 all around the world. Millions of stereographs were made during that time. There was a broad range of themes: landscape, travel, historical moments, nature disasters, architecture and many others. Nowadays, simply launch this collection full screen and put your mobile device in Google Cardboard Viewer.