Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
MANGIACAVALLI, J. 1 England, c.1850, PHIM Wheel Barometer = Christie 12/6/76. 17 Leather Lane, Holborn, London. RSW.

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):