Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
CHAMBERLAIN AND RITCHIE USA, fl.1850-54, MIM PHIM SIM Surveying Compass = HAR. Nathan B. Chamberlain and Edward Samuel Ritchie. 313 Washington Street, Boston, Mass. Smart 1; USNM; Moskowitz, 1976.

Name:
Institution:
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):