While not specifically Jewish in nature, these photographic proofs of Leadville made by William Henry Jackson are fantastic primary sources of what Leadville looked like in 1880 during the building boom. This is the full set of them that would go on to be made into stereographs for viewing with a stereoviewer.
Photo Proofs of Leadville by William Henry Jackson
William Henry Jackson with his pack burro and dog. Date unknown. Read more:
Sometimes, special cameras were used to get the left and right frames of a stereoview at the same time. Other times, the same photo is simply duplicated for left and right images. The way to tell the difference is by looking at the edges of each frame. If they look exactly the same, the images are duplicates. If each image looks offset slighty from each other, it is likely that a special dual camera was used or that the printing of the images was purposely offset. Naturally, a person's eyes will not see exactly the same between the left and right eyes. This is what simulates a 3D effect.
The left and right images look slightly offset from each other along the edges.
