Auction: Discovery - 2565MLocation: MarlboroughDate / Time: October 12, 2011 2:00PM
Description:
Cased Brass and Steel Paraboloid Condenser, Carl Zeiss, early 20th century, of typical form with brass eyepiece and steel body, box contains steel plate with two apertures marked 1.0 and 1.1, ht. 1 1/8, lg. of plate 2 3/8 in.
Estimate $150-250