A discovrse mathematical on the variation of the magneticall needle

An edition of A discovrse mathematical on the variation of the magneticall needle (1635)

A discovrse mathematical on the variation of the magneticall needle

Together with its admirable diminution lately discovered

By Henry Gellibrand

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Publish Date

1635

Publisher

W. Iones

Language

eng

Pages

Description:

subjects: Geomagnetism, Early works to 1800, Magnetic declination