This hand-held, glass-plate camera, used by the U.S. Navy, has a Hawkeye Aerial F4.5 lens and a single-slit, variable-tension shutter. It was used to take oblique photos over the side of an open-cockpit aircraft. The design evolved from the Type A English camera, which was based on a captured German aerial design.
This object is on display in Boeing Aviation Hangar at the Steven F. Udvar-Hazy Center in Chantilly, VA.