Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
MASON, ALVA USA, fl.1834-57, MIM PHIM made chemical apparatus; probably related to T.W. Mason. 24 Greenleaf's Court (1837); 89 South Fifth Street (1844); 91 South Fifth Street (1849); 89 South Fifth Street (1856-57); all in Philadephia, Pa. Bryden 9 and 18; Reingold; USNM.

E-mail address:
Explain your correction here:
To protect against spam entries,
please type the sum of 5 and 2 into this box
(i.e. the number between 6 and 8):