Set Reminder2024-11-21 12:00:002024-11-21 12:00:00America/New_YorkBidsquareBidsquare : Fine Books & Manuscripts https://www.bidsquare.com/auctions/potter-potter/fine-books-manuscripts-21895 Potter & Potter is proud to offer fine books and rare manuscripts in our November 21 sale. We will have important books, including modern firsts, fine bindings, antiquarian, illustrated and children's books, original artwork, maps; as well as fine letters and manuscripts.
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DIESEL, Rudolf Christian Karl (1858-1913). Signed Manuscript Letter of an Early Prototype Plan Named and Described. [Berlin], 31 August [1895]. Rudolf Diesel?s retained copy of his own signed manuscript letter to Samuel Breslauer, concerning the installation of a gas engine. Text is in German. 4to. Two single leaves, 2 pages of text on onion skin paper measuring approximately 11 ? x 9 ??. Minor age-toning, holes at left margin, otherwise in very good condition. In this correspondence, Diesel describes alterations being made to the design of his first prototype, making comments on the compressor, transmission, and the lighting system (ignition), among other things. The second prototype, described here, would be built by October the same year. The specific plan for this engine model is noted in the upper margin: Plan F.B.930. Rudolf Christian Karl Diesel was a German inventor and mechanical engineer who is world-famous for having invented the Diesel engine. At the time of this letter, Diesel was diligently working on altering and perfecting his 1893 engine design. This design would later be known as the diesel engine. Full description available upon request.