Viewer
for Experiments by »J. & A. Duboscq ŕ Paris«, c. 1850 Brass body, total length c. 10 in.. Viewing
side with reversal Dove Prism. Important and beautiful addition to any of
Duboscq's magic lanterns!
Estimate: € 700/1,000
US$ 875/1,250
Reserve: € 500/US$ 625
