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Soldat på övningsfält. Sverige. Public domain image.
Sam Eyde med ukjent par - no-nb digifoto 20160420 00184 bldsa EYDE 5 13 og 14 069
Al Mirall de la Penya a prop del Monasterio de Piedra
Carrying water from mountain spring, Jamaica
Little girl is Estelle Hopkins. The two girls together run 10 sides $1.10 a day. (See Label 3024) Belton Mfg. Co.,. Location: Belton, South Carolina.
History of Montgomery County, Indiana in the World War. Volume II - b1f7a1f07c77d07debbda18f40dd1cf0 (page 379)
The Rhine. Heidelberg. Nuremberg - 7fc37df2d462427d66a3460fd894afd9 (page 23)
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The ramparts of El Morro castle. San Juan, Puerto Rico
The ramparts of El Morro castle. San Juan, Puerto Rico
Morro Castle and entrance to harbor, San Juan, P. R.
Morro, San Juan, Puerto Rico, EL
Morro Castle and entrance to harbor, San Juan, P. R.
Morro Castle and entrance to harbor, San Juan, P. R.
Morro, San Juan, Puerto Rico, EL
Morro Castle entrance, Santiago, Sterescope Card, Boston Public Library
Morro Castle entrance, Santiago, Stereoscope Card
Int. of Morro Castle, San Juan, Puerto Rico
Summary
Two military officers standing in courtyard with U.S. flag waving overhead, at Morro Castle, San Juan, Puerto Rico.
D9942 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.