Papers. [between 1752 and 1796]

Ellicott, Andrew, 1754-1820

http://n2t.net/ark:/99166/w64r8j60 (person)

Andrew Ellicott was a surveyor and mathematician; he was elected to the American Philosophical Society in 1785. From the guide to the Astronomical journal, 1797-1801, 1797-1801, (American Philosophical Society) Ellicott (1754-1820) was a surveyor and matematician. He explored the Mississippi River Valley and the southern boundaries of the United States. The Clarke Historical Library has two books by Ellicott and microfilm of his papers which are housed in other institutions....

Dibner, Bern.

http://n2t.net/ark:/99166/w6t155vs (person)

Rittenhouse, David, 1732-1796

http://n2t.net/ark:/99166/w6zc83ch (person)

David Rittenhouse was a maker of clocks and astronomical instruments in Norriton (Norristown) and Philadelphia, Penn. From the description of Tall case brass dial clock, ca. 1770-1780. (Winterthur Library). WorldCat record id: 668311544 From the description of Tall case brass dial clock, ca. 1765-1775. (Winterthur Library). WorldCat record id: 668311425 From the description of Brass dial wall clock, ca. 1774. (Winterthur Library). WorldCat record id: 668311652 ...

United States. President (1789-1797 : Washington)

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Patterson, Robert, 1743-1824

http://n2t.net/ark:/99166/w6ft8pr9 (person)

T. P. Bennett, transcriber of these notes, received his A.B. from U. Pennsylvania in 1811 and A.M. in 1816. Robert Patterson was prof. of math. and nat. philosophy at U. Pennsylvania, 1779-1813. From the description of Compends of Spheric Geometry and Trigonometry, 1811(?). (University of Pennsylvania Library). WorldCat record id: 122527908 Robert Maskell Patterson (1787-1854, APS 1809) was a professor of chemistry and natural philosophy at the University of Pen...

Ewing, John, 1732-1802

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Presbyterian minister and professor of natural philosophy at the University of Pennsylvania. A vice-president of the American Philosophical Society, he contributed articles on astronomy to their Transactions. Ewing served on commissions with D. Rittenhouse to settle boundary disputes. The 1784 notebook contains astronomical observations made during an expedition in the summer of 1784 to settle such a dispute. Ewing's lectures on natural philosophy were published, posthumously, as "A Plain Elemen...