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DeHavilland Aeroplane Patent Lithograph and Specification Document

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:600.00 - 800.00 USD
DeHavilland Aeroplane Patent Lithograph and Specification Document

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Auction Date:2020 Jul 16 @ 18:00 (UTC-05:00 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Original linen-backed patent lithographs for the DeHavilland Aircraft Company's improvements relating to aeroplane wings, two pages, 12.5 x 10.25, April 29, 1932. The diagrams feature large and impressive views of the wing design and its location on the airplane body. The top borders read: "372,344 Complete Specification." The lower borders feature the printed text: "Charles & Read Ltd. Photo Litho." The left borders read: "This Drawing is a reproduction of the Original on a reduced scale." Includes the printed British "Patent Specification" document, three pages on two sheets, which describes the invention as a "novel construction of folding wings." The specification sheet bears a "U.S. Patent Office Library" ink stamp on the first page. In fine condition.