Observations for determining the length of a degree of latitude in the provinces of Maryland and Pennsylvania, in North America : By Messieurs Charles Mason and Jeremiah Dixon. To which is prefixed an introduction: By the Rev. Nevil Maskelyne, B.D.F.R.S. Astronomer royal.
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| Format: | eBook |
| Language: | English |
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London :
[publisher not identified],
Printed in the year MDCCLXIX. [1769]
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| Online Access: | Connect to the full text of this electronic book |
| Item Description: | Reproduction of original from National Library of Ireland. Electronic resource. |
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| Physical Description: | 1 online resource (67, 1 unnumbered pages, plates) |
| Place of Publication: | Great Britain -- England -- London. |