Eastman Kodak Co.
Date Introduced: ~1933 ; Years Manufactured: at least 1930’s
Construction: back focus via rack and pinion (two gear tracks on top of base rails); double swing; reversing by removable back; three-piece lensboard
Materials: walnut-stained white wood bodyand base; brass hardware (satin finish)
Sizes Offered: 5×7
Notes: was 33 in the 1934-1935 catalog, and 33A by 1936-1937.
Eastman Professional Photographic Apparatus 1934-1935, Eastman Kodak Co. (Rochester, NY), p. 13
Eastman Professional Photographic Apparatus 1936-1937, Eastman Kodak Co. (Rochester, NY), p. 8