DIRECTIONS FOR OPERATING AERO CAMERA MODEL A-l EASTMAN KODAK COMPANY ROCHESTER, N. Y., U. S. A.
AERO CAMERA MODEL A-I 7-20·P 1
MODEL A-I HAND HELD AERO CAMERA Size: 4 x 5. For Plates. This camera was designed for use in two passenger aircraft, and has proven very efficient because ofits light weight, compactness, simplicity of operation and adaptability to either oblique or vertical exposures. Excellent control over the camera is provided by the two side grips and the position ofthe thumb lever shutter release.
The 10" Hawk Eye Aerial Lens fitted to t!te camera has a fixed aperture of f.4.5. The standard aerial mount has a running thread and set screw permitting accurate adjustment at infinity focus. As a protection against exposure of the lens to fog, mist or dirt, often resulting in impairment of the photographic record or against fogging of the plate or film when the shutter is reset, a safety shutter is located in front of the lens.
t- 1/ o ! " C • , ,~, ,{l ," I r)( . {{ \.1 ',/., ,: I ;ft}; '( llJ ( /'; .. SHUTTER SPEED PLATE A Shutter Speed Plate, attached to the camera, gives the approximate shutter speeds, in fractional parts of seconds, obtainable with the various tension numbers 1 to 10. SETTING THE SHUTTER The shutter is set by turning key B to the left until the letter S is indicated at N.
To decrease speed of shutter, release tension of spring by pushing escapement L up and down until the required lower tension number is registered at M. INSTANT ANEOUS EXPOSURE When the shutter has been set in accordance with the above directions, the exposure is made by pressing thumb lever release C, which also automatically opens the safety shutter located in front of the lens. Before making exposures, pull out dark slide I and slip it into holding rack on under side of camera.
It is not necessary to expose all the plates before the removal of one, or more plates for development. With the protective slide in position, the magazine holder can be removed from the camera at any time, and taken to a dark room where any number of exposed plates can be removed. REMOVING MAGAZINE FROM CAMERA EXPOSURE COUNTER On the underpart of the magazine will be found the exposure counter J, which registers the number of the plate exposed. EASTMAN KODAK CO. ROCHESTER, N. Y.
