Manuscripts
Letters patent for improved cut-off for oscillating engines
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Letters patent for tubular steam generator
Manuscripts
Letters patent for Reid R. Throckmorton's invention of a tubular steam generator, United States, 1828. Signed by President John Quincy Adams ("J. Q. Adams"); with ribbon and seal. Also contains description of machine written by Reid Throckmorton (in his hand and signed by him).
mssHM 80399
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William Edward Newton patent with seal of Queen Victoria
Manuscripts
Patent for improved instrument for taking altitudes, with attached seal (2 pages, 52 x 76 cm, 46 x 61 cm). Includes several other documents: indenture, 1698 (23 x 64 cm); "Professor Bache Washington City or the High School Philadelphia" booklet of mechanical diagrams, undated (10 pages, 33 x 21 cm); William Edward Newton patent, 1856 July 28 (33 x 21 cm); William Edward Newton specifications (copy), 1857 January 26 (2 pages, 42 x 34 cm); John Stinson patent, 1855 September 18 (3 pages and two attached drawings, 51 x 38 cm).
mssShapiro
Jonas Gleason, Philadelphia, letter to Thomas Jefferson, Monticello
Manuscripts
Autograph letter signed, with addressed cover; endorsed by Jefferson. Written on flyleaf of printed advertisement of an "improved patent steam kitchen" by J. & S. Gleason. (2 pages)
mssJefferson
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Jonas Gleason, Philadelphia, letter to Thomas Jefferson, Monticello
Manuscripts
Autograph letter signed, with addressed cover; endorsed by Jefferson. Written on flyleaf of printed advertisement of an "improved patent steam kitchen" by J. & S. Gleason. (2 pages)
HM 9202
United States patent office. Louis Prang, of Boston, Massachusetts. Letters patent no. 104,996, dated July 5, 1870
Visual Materials
Image of a letters patent certificate issued to lithographer Louis Prang for improvement in library shears, with specification of his invention and detailed descriptions of the various parts of the shears.
priJLC_PRG_002320
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Edward Gordon Craig letter to Kerrison Preston
Manuscripts
A.N.S. on a postcard from Edward Gordon Craig to Kerrison Preston; written from Vence (France), where Craig lived for much of his life. The postcard was, apparently, in response to Preston's request for any letters from the artist W. Graham Robertson Craig might have in his possession; Craig also comments on Ellen Terry and the paintings of George Frederick Watts.
mssHM 83566