Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
KOCH, J.L. Germany, 1742, MIM OIM Culpeper-type Microscope = NOR; Sectors = NOR, OXF (1742). related to Johann Koch 1 and K. Koch. Berlin. Pipping 1; Maddison; RSW.

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):