Manuscripts
Polygraph machine parts
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Working drawings for polygraph machine and other devices
Manuscripts
Autograph manuscripts, pen and ink. Three diagrams. Polygraph drawing includes notes. The other two drawings are possibly for a leaf spring for a carriage and a double-locking mechanism for a casement door at Monticello. (3 pages)
HM 9395

Working drawings for polygraph machine and other devices
Manuscripts
Autograph manuscripts, pen and ink. Three diagrams. Polygraph drawing includes notes. The other two drawings are possibly for a leaf spring for a carriage and a double-locking mechanism for a casement door at Monticello. (3 pages)
mssJefferson
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Measures of the roof for estimating tin
Manuscripts
Autograph notes. Also includes measures for dome. On reverse is an estimate for a milldam. (2 pages)
HM 9405
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John Meer, Philadelphia, letter to Thomas Jefferson
Manuscripts
Autograph letter signed; endorsed by Jefferson. Includes enclosure of sample graphic plate for bank notes. (2 pages)
HM 9051
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Chapel design, Williamsburg?
Manuscripts
Autograph manuscript, pen and ink. Includes notes. Design for chapel with Temple of Vesta as model. (2 pages)
HM 9387
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Solomon Southwick, Albany, letter to Thomas Jefferson
Manuscripts
Autograph letter signed. Includes certificate signed by Jeremiah Van Rensselaer recommending John Barber for marshal at Albany. (2 pages)
HM 5966