Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
MAYEN, JOACHIM FREDERIK Germany, c.1744, OIM Microscope = NAC. author; described a type of simple microscope. Dresden. Daumas 1.

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):