Cinematographic annual : 1930 (1930)

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74 riXKMATOGRAPHIC ANNUAL Fig. 19 Film compartment of Bell %f Howell Camera, with Intermittent mechanism removed. A — 32 Tooth Maid Sprocket. B — Shutter Pinion. C — Footage Indicator Gearing. D — Footage Indicator Gearing. E — Super-speed Mechanism Drive Gear. F — Intermittent Mechanism Locking Latch. G — Film Punch. H — Magazine Safety-valve Operating Mechanism. I — Main Crank Barrel bearing Adjustment Lock. K — Film Guide Rollers and Safety Lock Pin. L — Shutter Drive Gear. M — Shuttle and Register Leaves Control Cams. Thi camera is shown with its door to show accessibility of film compartment for loading. The intermittent mechanism has been removed to show the position of the shuttle driving cams and gear driving the super-speed movement. Fig. 2 0 Mitchell Sound Camera. Note use of Composition Gears to Eliminate Noise.