$450
Browning Portable Microscope and a Bull's-eye Condensor on Stand, microscope No. 831, with draw-tube focusing, collar engraved John Browning, 63 Strand, London , two objectives, and cylindrical limb forming the third foot of folding tripod base, lg. closed 6, in velvet-lined leather-covered case, wd. 7 1/4, (lid detached); and a magnifier on telescopic brass pillar, with tilting ball-and-socket head and folding tripod foot, ht. closed 8, open 16, in mahogany case, wd. 8 in., (lid split). Literature: Gerard L'E Turner, The Great Age of the Microscope , pp. 196-197. A similar model, named "The New Pocket or Field Microscope," was offered by John Browning in 1877.
Auctioneer:
Skinner
Date:
2008-08-23
