Three Men Posing in Front of a Tent Serving as a Photography Studio During the Civil War

Three men posing in front of a tent serving as a photography studio at an unknown location during the Civil War. Attributed to Mathew Brady.

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Photographers Relaxing in a Union Camp During the Siege of Petersburg

Photographers relaxing in a Union camp during the Siege of Petersburg. The mobile darkroom where these negatives were developed is visible behind the tent. By Timothy O'Sullivan. Animated stereoscopic photographs.

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Two Photographers Having a Picnic in Front of a Destroyed Bridge at Blackburns Ford (1862)

 

Two photographers having a picnic in front of a destroyed railroad bridge at Blackburn's Ford, 1862. Animated stereoscopic photographs.

Source.