Mitscherlich type goniometer

Böhm & Wiedemann, München [replica]
Mitscherlich type goniometer (brass) with telescope, engraved silvered scale (0.5 degree) and vernier read-out with twin adjusting wheels and goniometric head. Blackened brass base. Diameter circle 10.5 cm.
Signed on the base "Böhm & Wiedemann, München" and numbered # 17 (part of a series numbered 1 to 25), ca. 1990.

collection Roger Warin