Boston Demonstration Vacuum Pump, with 4 1/2-inch dia. bell jar, tapering wood pillar, cast-iron paint-decorated handle with gilt pinstriping and design of florets and floral sprays, mahogany base, and plaque engraved Franklin Educational Co., Boston , wd. 2 in.
Auctioneer:
Skinner
Date:
2007-03-24
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
Double-barreled Floor-standing Air or Vacuum Pump, first half 19th century, Boston Mechanics Institution, mahogany stand with molded edges and banded inlay, brass fittings, dual ratchet Read more…
Auctioneer:
Skinner
Date:
2019-10-11
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
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
L.E. Knott Apparatus Co. Vacuum Pump, Boston, late 19th century, with 6-in. dia. bell jar, tapering wood pillar, cast iron paint-decorated handle with gilt pinstriping Read more…
Auctioneer:
Skinner
Date:
2016-10-28
Ziegler Electric Co. Vacuum Pump, Boston, 19th/20th century, oak base and turned column, single brass cylinder and black-painted handle, table lg. 23 1/2 in. Estimate Read more…
Auctioneer:
Skinner
Date:
2019-10-11
Early Stereoscopic View of a Laboratory, showing three shelves of demonstration scientific equipment including a daguerrian camera, a telescope and tripod, a double vacuum pump Read more…
Auctioneer:
Skinner
Date:
2007-03-24
Demonstration Model Hydraulic Press, signed Ritchie & Son, Boston, with lacquered-brass handle, pump and support pillars, on gilt-decorated green cast-iron base, ht. 14 in. Read more…
Auctioneer:
Skinner
Date:
2001-03-31
