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The Bomb Ballistics Building was used to control a long series of trials to research and improve the delivery of weapons dropped from aircraft, on the shingle and into the sea, from the 1930s to the 1960s.
While the existing building is just a shell, it housed a highly sophisticated collection of instruments over its operational life, including a camera obscura, a long-focus ground speed camera, aerial camera, periscope and ultimate technology Vinten high-speed camera, as well as controlling a series of cameras located along the shore, a number of kine-theodolites to track the path of falling bombs and the unique Timing Lights, a set of mirrors reflecting an optical signal to the aircraft that would code the precise bomb release time on a camera carried on the aircraft.
A full article is in preparation describing these in detail
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