Photo of a Group Posing in Front of a Camera Obscura Building at the National Military Home in Dayton, Ohio (1870's/1880's)

 

Portrait of a group posing in front of a camera obscura building at the National Military Home in Dayton, Ohio, c. 1870-1890. Originally published as a stereoview with the title "Camera Obscura and Pump House."

Source: Library of Congress.

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