Double-Rack Vacuum Pump by James Green, Baltimore, early 19th century, with mahogany base, brass fittings, vacuum plate, double handle and brass maker's plaque, with bell jar, (brass re-lacquered), lg. 14 in.
Auctioneer:
Skinner
Date:
2002-04-13
Vacuum Pump by Ziegler Electric Co., Boston, with vertical brass pump, wood and cast-iron handle, shut-off valve, cast-iron flange for bell jar (not included), and Read more…
Auctioneer:
Skinner
Date:
2007-10-28
Demonstration Vacuum Pump by E. S. Ritchie & Sons, Boston, late 19th century, with lacquered-brass piston, cast-iron handle with gilt lining and mahogany base, wd. Read more…
Auctioneer:
Skinner
Date:
2002-10-27
Microscopist's Vacuum Pump, late 19th century, 6-in. dia. mahogany base, brass pump with wooden handle, brass table with slide carrier, and colorless glass dome, ht. Read more…
Auctioneer:
Skinner
Date:
2017-10-27
