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Wollaston type goniometer with mirror attachment



unsigned
Wollaston type goniometer (brass and blackened brass) with mirror attachment, engraved silvered scale and vernier read-out with twin adjusting wheels and fine adjustment. Lead-filled base. Diameter circle: 12.3 cm, height: 21.5 cm
Unsigned, second half 19th century

Collection: private collection


Wollaston type goniometer, unsigned


Wollaston type goniometer, unsigned