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May, 1929
The INTERNATIONAL PHOTOGRAPHER
Seven
Bell & Howell Silent
Professional Standard
Camera
BELL& HOWELL
Silent
Standard
Cameras
need no booths for sound work
FULL camera freedom can be enjoyed in sound work by using Bell & Howell Sound Recording Cameras. The precision for which Bell 6? Howell products have been noted during twenty-two years of camera building, has produced sound recording equipment that completely eliminates all mechanical sounds. These cameras are frequently placed within eight or ten feet of the subject without needing the protection of an interfering camera boothl
Silencing of the camera mechanism has been accomplished by replacing steel gears with fibre gears where necessary, by the use of solid bronze bearings and by the elimination of all lost motion. Camera interiors and shutter blades have also been dampened by sound absorbing
Bell & Howell 1000 ft. Sound -Proof Magazine with Silent Belt Tightener.
felt linings. A further feature of Bell fe? Howell sound re cording equipment is the Sound-Proof Magazine with Silent Belt Tightener. An endless fabric belt is automat' ically kept at a proper tension for the uniform take-up of exposed film on rolls of any size. Complete silence of the magazines is assured by a number of holes drilled in the back and cover to interrupt sound waves, and by a complete outside covering of quarter-inch sponge rubber.
These details indicate the care with which Bell 6? Howell engineers have met the conditions necessary to pro' duce sound pictures without limiting the mobility of the camera. Consultations are invited on Sound Recording Installations.
BELL & HOWELL CO.
Dept. E, 1851 Larchmont Ave., Chicago, Illinois
New York, 11 West 42nd Street • • Hollywood, 6324 Santa Monica Blvd. London (B. & H. Co., Ltd.), 320 Regent Street Established 1907