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The aeroplane speaks, by H. Barber. With 36 full pages of "types of aeroplanes" and 87 sketches and diagrams

Plates preceded by half-title. "Types of aeroplanes", not included in collation. "First edition, December, 1916 ... Third edition, April, 1917." Advertising matter: p ...
insider.si.edu

The aeroplane speaks, by H. Barber with frontispiece, 36 full pages of "types of aeroplanes" and 87 sketches and diagrams

Plates preceded by half-title, "Types of aeroplanes," not included in paging. "Third printing November, 1917." https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile ...