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  6. That part of America where a degree of latitude was… by Mason & Dixon 1769 map
That part of America where a degree of latitude was… by Mason & Dixon 1769 map

That part of America where a degree of latitude was… by Mason & Dixon 1769 map

Product SKU: P-6-109007

Price £340.00

[A Map of Maryland and Country adjacent]. A Map of that part of America, where a degree of latitude was measured for the Royal Society by Charles Mason & Jeremiah Dixon. by Charles Mason & Jeremiah Dixon (1769). Antique copperplate map. The complete original explanatory text pages will be provided with the map, 17.5 x 10.5cm, 6.75 x 4.25 inches
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CAPTION PRINTED BELOW PICTURE: [A Map of Maryland and Country adjacent]. A Map of that part of America, where a degree of latitude was measured for the Royal Society by Charles Mason & Jeremiah Dixon.

This map, published in the Gentleman's Magazine in November 1769, documents the results of the survey conducted by Charles Mason and Jeremiah Dixon between 1763 and 1767 to resolve a century-long boundary dispute between the Penn and Calvert families (of Pennsylvania and Maryland respectively) . Earlier attempts by local surveyors had failed, prompting the Royal Society to commission Mason and Dixon, who combined precise astronomical observations with detailed ground measurements. Their findings were first published in the Royal Philosophical Society’s Transactions in early 1769 and later in the Gentleman's Magazine. The map covers parts of Pennsylvania, Maryland, Delaware, Virginia, and New Jersey. Originally, "Mason and Dixon's Line" referred specifically to the Pennsylvania-Maryland border, including what are now the Delaware counties. However, over time, the term gained broader cultural significance. After Pennsylvania abolished slavery, it served as a demarcation line for the legality of slavery, and thus the dividing line between free states and slave states during the Civil War, reinforcing its lasting symbolic role in American history. In popular American usage, the Mason-Dixon Line has come to symbolize the cultural boundary between the North and the South (Dixie).

DATE PRINTED: 1769    

IMAGE SIZE: Approx 17.5 x 10.5cm, 6.75 x 4.25 inches (Small)

TYPE: Antique copperplate map. The complete original explanatory text pages will be provided with the map.

CONDITION: Good; suitable for framing. Minor offsetting -text and/or images from the facing page have left an impression on the print. The left margin has been restored. Please check the scan for any blemishes prior to making your purchase. Please contact us if you would like to arrange to view this map. Virtually all antiquarian maps and prints are subject to some normal aging due to use and time which is not obtrusive unless otherwise stated. We offer a no questions asked return policy.

AUTHENTICITY: This is an authentic historic print, published at the date stated above. It is not a modern copy.

VERSO: There is nothing printed on the reverse side, which is plain

ARTIST/CARTOGRAPHER/ENGRAVER: Charles Mason & Jeremiah Dixon

PROVENANCE: "Gentleman's Magazine and Historical Chronicle", by Sylvanus Urban, Gent. London: Printed by Edw. Cave, Jun. at St. John's Gate

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That part of America where a degree of latitude was… by Mason & Dixon 1769 map
£340.00