Wollaston type goniometer with mirror attachment
F.G. Hofmann, 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 11.5 cm, height: 17 cm.
Signed on the circle "F.G. Hofmann | Paris",
second half 19th century.
collection: Museum for the History of Sciences
, Universiteit Gent, Belgium