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[Patent for Otis Tufts' improvement in the power printing press]

Signed by Andrew Jackson as President. Countersigned by John Forsyth as Secretary of State and Benjamin Franklin Butler as Attorney General. Tufts' written description of his improvement is signed by Robert Henry Eddy and possibly Caleb Babbit as...

GLC05183

[Check written out to Robert Fulton].

$500 check from Robert Livingston to Robert Fulton, possibly for steamboat work. Countersigned by Robert Fulton.

GLC08280

to Estelle Spero

Diamond writes that he has been working on an invention of no practical value.

GLC09120.291

to unknown re: design repairs, possibly for ironclad

GLC07010

Archive of Alexander Twining, including inventions, writings and patents [Decimalized .01- .07]

Twining was an astronomer, and invented an ice-making apparatus. The archive includes: supplement to patent application, bound handwritten scientific journal, essay, various letters and diagrams.

GLC07242