Mechanical Balance Computer [Librascope]

Maker and role
Librascope Incorporated, Manufacturer
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Object detail

Accession number
Production period
Librascope' Mechanical Balance computer elevated and set into black painted wooden case with handle. Used to calculate an aircrafts centre of gravity and total weight; 15 knobs set into computer display which gauge weight of oil, bombs, bow compartment etc. and 2 at extreme right which allow for adjustments of weight and balance. Two dials at top; left gauges total weight in pounds and right shows centre of gravity position. Silhouette of Catalina plane appears on computer display in middle.
PBY-5 / BU. Aero. U.S. Navy / Contract No. / Nos 99588 / Librascope / Reg. U.S. Pat. Off. / Balance Computer / Serial No. 1145 / Type LC-1 Maker's Mark
Manufactured by / Librascope, Incorporated / Burbank, California, U.S.A. / Under U.S. Patent no. 2,179,822 / Other patents pending Maker's Mark
Credit Line
Librascope Incorporated. Mechanical Balance Computer [Librascope], 2006.418. The Museum of Transport and Technology (MOTAT).


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