Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
STOCKERT, E.C. Germany, 18th Century, MIM Cube Sundials, wood and paper = WHI, NMM, CNAM, NOR, WUR, Zürich Sternwarte, Lindau Stadt Museum, etc. surely Ernst Christophe Stockert, Zinner 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):