Original U.S. WWII Sperry T-1A Bombsight by AC Spark Plug Division of GMC

Item Description

Original Item: Only One Available. This World War II bombsight was originally designed by the British (as the Mark XIV bomb sight) and first entered service in 1942. It was also made by Sperry, who made improvements. It was used in the B-25 and deHavilland Mosquito bombers. There is a separate sighting head (with attached gyro), which is not included, that communicated to this computing element. The attachment between the two devices was mechanical (flexible cables). The computation was performed mechanically (with much done pneumatically). A set of replaceable cams were provided which adjusted the unit for each type of plane. This example was manufactured by the AC Spark Plug Division of the General Motors Company during World War Two. Data plate reads T-1-A BOMBSIGHT COMPUTER. Measures 17"x 22".
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