Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
WIGHTMAN, JOSEPH MILNER USA, fl.1830-61, MIM NIM PHIM Air Pump = D.(1982). Wightman made a self-registering tide-gauge that was used by the U.S. Coast Survey c.1845; partner with Timothy Claxton as Claxton and Wightman; they made philosophical apparatus for schools; he succeeded Claxton. Boston, Mass. D.J. Warner 6; Coffeen B; USNM.

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