1923 Rotogravure Helicopters de Bothezat Berliner Rotorcraft Aviation Historic XGNB9 This is an original 1956

This is an original 1956 black and white print ad for the Armoire à plans individualisés

DCONDITION

8-10-12 East 34th Street

This is an original 1901 black and white halftone print of "The Island of Nisida

dated 1937

1923 Rotogravure Helicopters de Bothezat Berliner Rotorcraft Aviation Historic XGNB9 This is an original 1956"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