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 YEAR: September 01, 1944
 ITEM: Manual/User's Guide
 PUBLISHER: Army Air Forces
RARITY: Not rare   Click here for further information on our rarity scale Information on the rarity of this item is unknown.

Operation, Service and Overhaul Instructions With Parts Catalog for Computers in Central-Station Fire-Control System

This publication was intended for technical aid and education of military and civilian personnel engaged in promoting the war effort. This handbook contains Operation Service, and Overhaul Instructions, as well as a Parts Catalog, for the Model 2CH1 Computer used with the Remote-control Turret System designed and manufactured by General Electric Company. In a computing system, such as the remote-control turret system with this type 2CH computer used on B-29 airplanes, the line of sight was held on the target by the gunner, and the relative position of the guns and the sight is determined by a computer mechanism. The use of the computer eliminated the guesswork on the part of the gunner n estimating range, ballistic, parallax and prediction corrections and leaves him free to concentrate on accurately tracking the target and keeping it aligned in the sight.

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