1923 Rotogravure Helicopters de Bothezat Berliner Rotorcraft Aviation Historic XGNB9 " from the Schenley Distributors

" from the Schenley Distributors

8-10-12 East 34th Street

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1923 Rotogravure Helicopters de Bothezat Berliner Rotorcraft Aviation Historic XGNB9 " from the Schenley Distributors"Helicopters Which Rise Vertically From Ground" This is an original 1923 sepia rotogravure with three images of two early helicopters: the top and middle helicopter is the invention of Emile and Henry A. Berliner; and the bottom helicopter is the de Bothezat helicopter during a test at Dayton, Ohio. CONDITION This 91+ year old Item is rated Very Fine +++. No creases. No surface rub. No tears. No water damage. There is printing on the verso. Please