Wollaston goniometer

 

J. Duboscq and Ph. Pellin, Paris
Wollaston type goniometer (brass and blackened brass) with mirror attachment, engraved silvered scale and vernier read-out with twin adjusting wheels and fine adjustment. Diameter circle 15 cm, height: 23 cm.
Signed on the mirror attachment "Mon Jules Duboscq | Ph. Pellin | Paris", between 1883-1886. The base also carries the engraving "AF 488".
Jules Duboscq (1817-1886) merged with Philippe Pellin in 1883, who continued the firm alone after 1886.

private collection

Wollaston goniometer, J. Duboscq and Ph. Pellin, Paris

Wollaston goniometer, J. Duboscq and Ph. Pellin, Paris

signature J. Duboscq and Ph. Pellin, Paris