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Ralph Walker (3)

Author of 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

For other authors named Ralph Walker, see the disambiguation page.

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Works by Ralph Walker

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Birthdate
1794 fl.
Gender
male

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