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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Hardin Craig papers
Manuscripts
The collection consists of approximately 400 items from 1905 to 1968. Craig's professional papers relate to his publications, including articles, chapters of books, notes and outlines. There is a significant amount of correspondence with his publishers, as well as personal correspondence and autobiographical material. Subjects include: the Renaissance, William Shakespeare, Elizabethan drama and literature, Francis Bacon, and Una Ellis-Fermor. Correspondence in the collection includes approximately 150 letters to his wife, Gertrude Craig, one letter and ten postcards from Frederick James Furnivall, two letters from Sir Walter Wilson Greg, and approximately 100 letters from Hardin Craig to Marchette Chute.
mssCraig

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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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