Viewer for experiments by
»J. & A. Duboscq ŕ Paris«, c. 1850
Viewing side with reversal Dove prism.
Reading scale 0 to 50 mm. 
Estimate: € 500/900
US$ 600/1.080
Reserve: € 220/US$ 265


previous                                Front page                               next

previous                                Front page                               next