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Ferdinand Porsche Universal Motor Vehicle Joint Patent Lithograph and Specification Document

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:600.00 - 800.00 USD
Ferdinand Porsche Universal Motor Vehicle Joint Patent Lithograph and Specification Document

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Auction Date:2020 Jul 16 @ 18:00 (UTC-5 : 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 lithograph for Ferdinand Porsche's invention of a universal joint for motor vehicles, one page, 12.5 x 10.25, January 5, 1933. The diagram features multiple views of the universal joint-block, designed to be stronger and more simply manufactured than existing versions. The top border reads: "385,778 Complete Specification." The lower border features the printed text: "Malby & Sons. Photo-Litho." The left border reads: "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 shortcomings of the existing versions and the advantages of the Porsche design. The specification sheet bears a "U.S. Patent Office Library" ink stamp on the first page. In fine condition.