An explanation of the magnetic atlas, or variation chart, hereunto annexed : projected on a plan entirely new, by which the magnetic variation on any part of the globe may be precisely determined, for any time, past, present, or future: and the variation and latitude being accurately known, the longitude is of consequence truly determined. /
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| Format: | eBook |
| Language: | English |
| Series: | Early American imprints. Evans (1639-1800) ;
no. 22406. |
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| Online Access: | Evans Digital Edition |
| Item Description: | The chart was also issued separately. Subscribers names come to hand."--p. vi-ix." "Errata."--page [6]. Electronic resource. |
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| Physical Description: | x, 3 unnumbered pages, 14-46, 5 pages, 1 unnumbered page, 3 unnumbered folded leaves of plates : illustrations ; 22 cm. (octavo) Microform version available in the Readex Early American Imprints series. |
| Place of Publication: | United States -- Pennsylvania -- Philadelphia. |