$246
R & J Beck Brass Monocular Microscope, London & Philadelphia, no. 8688, single barrel, rack focusing, circular stage, plano/concave mirror on a pivoting arm, tripod foot marked as above, housed in a mahogany box with single drawer containing additional eyepieces, ht. 15 in.
Auctioneer:
Skinner
Date:
2015-04-21