A rare KOLLSMAN C-12 type airplane altimeter in black composite material, partially restored.
Dimensions 10 x 8.5 cm
An original gift for a connoisseur
Paul Kollsman (February 22, 1900, in Germany – September 26, 1982, in Beverly Hills, California) was a German-American inventor. He invented the first sensitive barometer, a key enabler of instrument flight in airplanes.[1][2]
The United States Patent Office cites him as the inventor on 124 patents
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