A treatise on magnetism, with a description and explanation of a meridional and azimuth compass, for ascertaining the quantity of variation, without any calculation whatever, at any time of the day. Also improvements upon compasses in general. With Tables of Variation, for all Latitudes and Longitudes. By Ralph Walker, of Jamaica.

  • Walker, Ralph.
Date:
1794
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  • Online

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Publication/Creation

London : printed by R. Hindmarsh, printer to his Royal Highness the Prince of Wales, Old-Bailey. sold by George Adams, No. 60, Fleet-Street; Peter Elmsley, No. 87, Strand; John Sewell, No. 32, Cornhill; David Steel, No. 1, Union-Row, Little Tower-Hill; and; John and Arthur Arch, No. 23, Gracechurch-Street, Corner of Lombard-Street, 1794.

Physical description

9,[4],10-226,[2]p.,plates ; 80.

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References note

ESTC T13197

Reproduction note

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.

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