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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).

Collection: private collection

Wollaston type goniometer with mirror attachment, unsigned

Wollaston type goniometer with mirror attachment, unsigned