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Henry Ford letter to Judge R.A. Parker, dated Dearborn, Mich., 14 July 1923
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https://library.si.edu/digital-library/book/henryfordletter00ford
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James Watt letter to Samuel Lysons, dated Heathfield, Handsworth, Birmingham, England, 1 December 17
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https://library.si.edu/digital-library/book/jameswattletter00watt
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John Logie Baird letter to Mrs. Alec Tweedie, dated 8 November 1929
...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...
https://library.si.edu/digital-library/book/johnlogiebairdl00bairc
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Joseph Henry letter to C.W. Renwick, dated Smithsonian Institution, Washington, 7 October 1857
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https://library.si.edu/digital-library/book/josephhenrylett00henra
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Alexander Graham Bell letter to L.T. Stanley, dated Boston University, No. 18 Beacon Street, Boston,
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https://library.si.edu/digital-library/book/alexandergraham00bellb
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Ferdinand Graf von Zeppelin letter, dated 19 Keplerstrasse, Stuttgart, 13 December 1900
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https://library.si.edu/digital-library/book/ferdinandgrafvo00zepp
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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 67 Talbot Road, Westbourne Park, Lon
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https://library.si.edu/digital-library/book/guglielmomarcon00marcg
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Michael Faraday letter to Sir Charles Lemon, dated R. Institution, 25 April 1834
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https://library.si.edu/digital-library/book/michaelfaradayl00fara
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Nikola Tesla papers
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https://library.si.edu/digital-library/book/nikolateslapape00tesl
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Orville Wright letter to Hilton C. Brewer, dated the Wright Company, Dayton, Ohio, 29 October 1912
...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...
https://library.si.edu/digital-library/book/orvillewrightle00wriga
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Robert H. Goddard letter to Nils A. Riffolt, dated Shoreham Hotel, H Street Northwest at Fifteenth,
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https://library.si.edu/digital-library/book/roberthgoddardl00godd
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Robert H. Goddard letter to Lionel Aucoin, dated Mescalero Ranch, Post Office Box 978, Roswell, New
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https://library.si.edu/digital-library/book/roberthgoddardl00goddb
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Samuel F.B. Morse letter to Lucretia P. Morse, his wife, dated Washington, D.C., 16 December 1819
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https://library.si.edu/digital-library/book/samuelfbmorsele00mors
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Samuel F.B. Morse letter to Benjamin Silliman, dated New York, 14 August 1843
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https://library.si.edu/digital-library/book/samuelfbmorsele00morsb
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Thomas Alva Edison letter to Frank H. Scott, dated Menlo Park, New Jersey, 19 February, 1878
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https://library.si.edu/digital-library/book/thomasalvaediso00edis
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Thomas Edison letter to R.D. Worrell Jewelry Co., dated Orange, N.J., 27 September 1910
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https://library.si.edu/digital-library/book/thomasedisonlet00edisa
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Wilbur Wright letter to the editor of the Independent, dated Wright Cycle Company, 1127 West Third S
...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...
https://library.si.edu/digital-library/book/wilburwrightlet00wriga
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William Herschel letter to Henry Brown, dated Slough near Windsor, 4 September 1803
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https://library.si.edu/digital-library/book/williamherschel00hers
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Orville Wright letter to D.A. Willey, dated Wright Cycle Company, 1127 West Third Street, Dayton, Oh
...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...
https://library.si.edu/digital-library/book/orvillewrightle00wrig
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Orville Wright letter to George F. Kunz, president, Museums of the Peaceful Arts, dated Dayton, Ohio
...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...
https://library.si.edu/digital-library/book/orvillewrightle00wrigb