Resources in Early American History

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Resources in Early American History Science and technology in topic [X] Surveying and Maps in topic [X]
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1	Author:	Alexander, William, 1726-1783	Requires cookie*
	Title:	Variation of the compass, 1773
	Dates:	1773
	Abstract:	This slender volume is an essay by William Alexander, a prominent figure in New Jersey politics and business. Alexander wrote this essay with the hope that it would spur the American Philosophical Society to support the study of variations in compasses. Alexander's interest in this subject likely had to do with his background as a merchant. He realized compass variations created inefficiencies and risks for captains and the merchants that relied on them. Alexander appeals specifically to the APS's mission by stating that such a study would be "useful to mankind." Alexander's essays shows that he is conversant in many of the current theories about variations. He also proposed a plan for the APS to facilitate a systematic study of compass variations that he believed would produce a clear general law for variations in compasses. View finding aid for a full description
	Call #:	Mss.522.76.Al2
	Extent:	1 item(s)
	Topics:	Science and technology \| Surveying and Maps \| Trade
	Genre:	Scientific Correspondence \| Scientific Data
	Subjects:	Astronomy -- 18th century \| Compass. \| Learned institutions and societies.

2	Author:	Gauld, George.	Requires cookie*
	Title:	A general description of the sea-coasts, harbours, lakes, rivers, etc. of the province of West Florida, 1769
	Dates:	1769
	Abstract:	George Gauld served as a surveyor in the British Army. Stationed in Florida after the Seven Years' War, this collection contains his general observations of the recently acquired territory. Its MOLE entry is very detailed. There are two other general features that should be mentioned. First, Gauld's essay contains smatterings of references to Native Americans and occasionally local Native American names for geographic features. The second is that this document captures part of the imperial consolidation Great Britain began in the wake of the Seven Years' War. View finding aid for a full description
	Call #:	Mss.917.59.G23
	Extent:	1 volume(s)
	Topics:	Colonial Politics \| Exploration. \| Government Affairs \| Science and technology \| Surveying and Maps
	Genre:	Maps and Surveys \| Official Government Documents and Records
	Subjects:	Hydrographic surveying -- Florida. \| Rivers -- Florida.

3	Author:	Dixon, Jeremiah	Requires cookie*
	Title:	Correspondence and accounts of the Mason and Dixon survey, 1758-1769
	Dates:	1758-1769
	Abstract:	The Mason and Dixon Survey Collection at the APS consists of 1.) two volumes relating to their work drawing a border between Pennsylvania and Maryland and 2.) a box of correspondence. The portion of the collection being described here consists of the correspondence. This part of the collection is a box of photostats, mostly from 1761 and 1769, that include field reports and other correspondence. View finding aid for a full description
	Call #:	Mss.B.M381
	Extent:	0.25 Linear Feet
	Topics:	Colonial Politics \| Government Affairs \| Pennsylvania History \| Science and technology \| Surveying and Maps
	Genre:	General Correspondence \| Maps and Surveys \| Official Government Documents and Records
	Subjects:	Meteorology. \| Surveys. \| Transits.

4	Author:	Say, Thomas, 1787-1834	Requires cookie*
	Title:	Thomas Say papers, 1819-1883, 1955
	Dates:	1819-1883
	Abstract:	The Thomas Say Collection contains correspondence and scientific material relating to Say's work as a conchologist. The correspondence has a few items written to the New Harmony utopian community before Say decided to live there. The scientific correspondence contains letters to prominent fellow natural historians, such as Charles Lucien Bonaparte. The data includes sketches of shells, some in color. There is also a relatively detailed biographical profile, likely written in the late-nineteenth century. View finding aid for a full description
	Call #:	Mss.B.Sa95.g
	Extent:	0.25 Linear Feet
	Topics:	Land and Speculation \| Natural history \| Science and technology \| Surveying and Maps
	Genre:	General Correspondence \| Maps and Surveys \| Scientific Data \| Sketchbooks
	Subjects:	Entomology. \| Mollusks. \| Natural history.