Resources in Early American History
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 Author:  Shippen, EdwardAdd
 Title:  Edward Shippen letters and papers, 1727-1781     
 Dates:  1727-1781 
 Abstract:  The Edward Shippen Collection is composed of two discrete sections: two boxes of manuscripts and ten letter books. What follows is an overview of some of the most notable documents and themes in the correspondence.

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 Call #:  Mss.B.Sh62 
 Extent:  10 volume(s) 
 Topics:  American Revolution | Americans Abroad | Business and Skilled Trades | Colonial Politics | Education | International Travel | Marriage and Family Life | Military History | Pennsylvania History | Philadelphia History | Seven Years' War | Social Life and Custom | Surveying and Maps | Trade | Travel 
 Genre:  Business Records and Accounts | Family Correspondence | General Correspondence | Maps and Surveys | Military Records | Political Correspondence | Travel Narratives and Journals 
 Subjects:  Business and politics -- Pennsylvania. | Military supplies. | Real property -- Pennsylvania. 
 Author:  unknownAdd
 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.