The Kodak Salesman . tic in action, being operated by aspecial wind motor. ^^lounted in his single-seater plane, the pilot needonly start the operation of the windmotor by means of a lever and thenone or more exposures within thelimitations of the roll of film maybe made at will. The roll of film is9y2 inches wide by 75 feet long,sufificient for 100 exposures. TheHawkeye Aerial Lens is of 20 inchfocus, /. 6, and is provided with anadjustable device for carrying com-pensating filters directly in front ofthe lens. In the development of afilm aerial camera of this type thevibration of the machine
The Kodak Salesman . tic in action, being operated by aspecial wind motor. ^^lounted in his single-seater plane, the pilot needonly start the operation of the windmotor by means of a lever and thenone or more exposures within thelimitations of the roll of film maybe made at will. The roll of film is9y2 inches wide by 75 feet long,sufificient for 100 exposures. TheHawkeye Aerial Lens is of 20 inchfocus, /. 6, and is provided with anadjustable device for carrying com-pensating filters directly in front ofthe lens. In the development of afilm aerial camera of this type thevibration of the machine presentedan obstacle that seemed almost in-surmountable. The scheme of hold-ing the film firmly in the recordingplane by constant vacuum suctionproduced by a A^nturi tube finallysolved the problem. The time be-tween exposures can be regulatedby a damper control mechanism forthe wind motor. When the windmotor is started, exposures aremade at predetermined fixed inter-vals to suit the photographic re- ^ KODAK SALESMAN. Model K-l quirements. Flying at a height of10,000 feet, an area approximatelytwo square miles in size can bephotographed with the K-l Cameraat each exposure. In spite of the fact that most ofthe routine photographic work inthe war zones is done at high alti-tudes there are times neverthelesswhen lower flying is done and forthis purpose a light-weight, easilyoperated hand-held camera is de-sired. For the purpose the KodakCompany has developed the AlodelA-1 for use with plates and theModel B-1 for use with film. Theshutter release is so located as tobe easily operated by the observersright thumb. As a protectionagainst exposures of the lens to fog,mist or dirt, use is made of a safetyshutter in front of the lens. A direct vision tubular finder having inter-secting vertical and horizontal wiresprovides proper sighting cameras are fitted with 10-inchHawkeye Aerial Lenses and FocalPlane Shutters. With the B-1 Cam-era daylight loading also can be ac-comp
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Keywords: ., bookcentury1900, bookdecade1910, bookidkodaksalesma, bookyear1917
