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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