Resources in Early American History
Canals in subject [X]
General Correspondence in genre [X]
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1Author:  Jefferson, Thomas, 1743-1826Requires cookie*
 Title:  Thomas Jefferson papers, 1775-1825     
 Dates:  1775-1825 
 Abstract:  This is the primary collection of Thomas Jefferson Papers at the APS. The collection is rich and extensive. The collection is well-described and inventoried in MOLE. What follows below is a general summary of some of the more noteworthy pieces.

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 Call #:  Mss.B.J35 
 Extent:  0.5 Linear Feet 
 Topics:  American Revolution | Colony and State Specific History | Diplomatic History | Early National Politics | Government Affairs | Native America | Natural history | Science and technology 
 Genre:  General Correspondence | Official Government Documents and Records | Political Correspondence 
 Subjects:  Boundaries, State. | Canals. | Chemistry | Indians of North America -- Languages | Linguistics. | Louisiana Purchase -- Enclopedias. | Plants. | Science -- United States -- 18th century. | Scientific apparatus and instruments. | Seeds. 
2Author:  unknownRequires cookie*
 Title:  Robert M. (Robert Maskell) Patterson papers, 1775-1853     
 Dates:  1775-1853 
 Abstract:  The Robert Patterson Collection contains a range of documents that touch on many different topics, although most have to do with science and engineering. The earliest documents relate to the Leiper Canal, including Rittenhouse's appraisal of it, and official documents relating to its creation. The largest portion of the documents is scientific correspondence to Robert Patterson, a member of the American Philosophical Society. Much of this correspondence is done under the cover of official APS business. Of particular note are a series of letters relating to nautical calculations that include complex equations used to determine longitude and latitude for nautical almanacs. There are also various lecture notes on natural philosophy, death, mathematics, engineering, and other subjects.

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 Call #:  Mss.B.P274 
 Extent:  0.5 Linear Feet 
 Topics:  Americans Abroad | Early National Politics | Education | Military History | Native America | Science and technology | War of 1812 
 Genre:  Educational Material | General Correspondence | Institutional Records | Notebooks | Political Correspondence | Travel Narratives and Journals 
 Subjects:  Algebra. | Annuities. | Astronomy. | Canals. | Clocks and watches. | Coal. | Electricity. | Magnetism. | Mathematics. | Meteorology -- Observations. | Navigation (Astronautics) | Optics. | Physics. | Quarries and quarrying -- Pennsylvania. | Sound. | Time clocks.