Wollaston goniometer with mirror attachment

Brunner Frères, Paris
Wollaston type goniometer (brass) with mirror attachment (unconventionally mounted), engraved silvered scale and vernier read-out with twin adjusting wheels and fine adjustment. Mounted on wooden base. Diameter circle 14.1 cm, height excluding wooden base: 20.7 cm, length 20.4 cm. Specimen holder missing.
Signed on the edge of the circle "Brunner F`^res à Paris". between 1862 and 1895.

private collection