Mandel Lenkowsky Early Vertical Flight Development Collection
Acc. 1989-0099

Mandel Lenkowsky worked for the Army Air Corps and was involved in the development of the early helicopter. The Lenkowsky Early Vertical Flight Collection contains correspondence, parts of an unpublished manuscript, notebooks of scientific and mathematical notes, periodicals, published reference materials about experimental, military, and commercial vertical flight from the 1930s to the 1940s, and photographs. 1.5 cubic feet (4 boxes).

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