Bellows Camera
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“The photographer’s camera corresponds to the camera-obscura. A darkened box, adjustable in length, takes the place of the darkened room, and an achromatic convex lens is substituted for the aperture in the shutter.” — Avery, 1895
Galleries
Cameras and PhotographySource
Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 405
Downloads
2400×1772, 1.9 MiB
1024×756, 225.5 KiB
640×472, 103.6 KiB
320×236, 28.8 KiB