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Wollaston type goniometer



unsigned

Early Wollaston type goniometer (brass) with engraved scale and vernier read-out with twin adjusting wheels, raised on an inverted V-frame, on mahogany plinth base. Diameter circle 10 cm.
Unsigned, but supposed to be of Italian origin. First half 19th century.

Collection: private collection

wollaston goniometer, unsigned Wollaston goniometer, unsigned

Wollaston goniometer, unsigned