Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
NORMAN, ROBERT England, c.1550-1604, MIM Variation Compass = X. invented a dip needle, c.1576, to measure the vertical component of magnetic force; the compass is illustrated in William Borough's book; author, compass maker. Ratcliffe, London. Taylor 1(29); Michel 3; Evans 1; Dewhirst; G.L'E. Turner 24; Clay and Court; USNM; J.A. Bennett 2.

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