Wollaston type goniometer with mirror attachment

 

unsigned
Wollaston type goniometer (brass and blackened brass) with mirror attachment, engraved scale and vernier read-out with twin adjusting wheel. Lead-filled base. Diameter circle: 11,4 cm
Unsigned, first half 20th century, marked: "U. B.|M" (Université de Bruxelles | Minéralogie).

private collection

Wollaston type goniometer with mirror attachment, unsigned

Wollaston type goniometer with mirror attachment, unsigned