Beider Viken Twin camera
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Camera
Beider Viken Twin camera
1978.1371.0001
Description5x7 inch twin camera for photographing children, Serial #129. Patent number 1528464, March 3, 1925 by Donald Cameron Beidler and Antonis Johnson Viken. It is basically a horizontal twin-lens reflex, built from Korona View camera parts, mounted on a special parallax compensating base. Like a TLR, one camera is used for composing, while the second camera for taking the picture.
