Wollaston goniometer

 

J. Duboscq, Paris
Wollaston type goniometer (brass) with mirror attachment, engraved silvered scale and vernier read-out with twin adjusting wheels and fine adjustment. Diameter circle 12.2 cm, height: 19 cm.
Signed on on circle "J. Duboscq | à Paris", between 1817-1883.
Jules Duboscq (1817-1886) merged with Philippe Pellin in 1883, who continued the firm alone after 1886.

See MM Instruments for more details on this instrument

collection Mark McElyea

Wollaston goniometer, J. Duboscq, Paris

Wollaston goniometer, J. Duboscq, Paris

Wollaston goniometer, J. Duboscq, Paris

Wollaston goniometer, J. Duboscq, Paris