拍品专文
The Mast concealable camera was designed for one-handed operation.
细节
MAST DEVELOPMENT CORP., Davenport, U.S.A.
A 16mm. Mast Concealable camera with dull-brassed metal finish, top-plate with film advance and film counter, slider and aperture slider, back plate with retaining clip and interior with two special brassed film cassettes.
A 16mm. Mast Concealable camera with dull-brassed metal finish, top-plate with film advance and film counter, slider and aperture slider, back plate with retaining clip and interior with two special brassed film cassettes.
出版
White (1990), Subminiature photography, p. 210-211.