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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Bibliographic Details
Main Author: Churchman, John (Author)
Format: Electronic eBook
Language:English
Published: Philadelphia Printed by James & Johnson, on the north side of Market-Street, between Third and Fourth-Streets [M,DCC,XC. [1790]
Subjects:
Online Access:BSB01
LCO01
UBA01
UBG01
UBM01
UBR01
UBT01
UEI01
UER01
UPA01
Volltext
Item Description:"Errata."--p. [6]. - Evans, 22406. - Subscribers names come to hand."--p. vi-ix. - The chart was also issued separately
Physical Description:1 Online-Ressource (x, [3], 14-46, 5, [1] p., [3] folded leaves of plates) ill 22 cm. (8vo)

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