$245
Lacquered Brass Compound Monocular Petrological Microscope, J. Brown, Glasgow, Scotland, late 19th century, with draw tube coarse focusing and fine focusing on the pillar, circular stage with slide clips and five-hole diaphragm, plano/concave mirror with vertical adjustment, maker's mark on the gray-painted footed base, in box, ht. closed 10 in.
Auctioneer:
Skinner
Date:
2011-07-16