A prototype working model of an ATO halfsecond electromagnetic pendulum. Made circa 1950. Perspex with chromed leveling screws, battery housing to the rear. The pendulum hung from a spring suspension, cylindrical regulator, two curved bar magnets, two coils. Dim. 43 x 25 x 16 cm. Property of a French Gentleman
Auctioneer:
Antiquorum
Date:
2007-05-13
Working Model of the Hand-Drawn and Hand-Pump Engine Red Jacket, New England, late 19th century, known as a "squirrel-tail" pumper, the model is made of Read more…
Auctioneer:
Skinner
Date:
2011-03-06
Working Model of a Two Cylinder Horizontal Steam Engine, with steel mounting bed, 4-in. dia. six-spoked brass flywheel, two horizontal pistons, brass and steel fittings Read more…
Auctioneer:
Skinner
Date:
2010-05-01
Working Model of a Vertical Piston Steam Engine, with steel and black painted components, central reeded column supporting the horizontal beam, single vertical piston, govenor, Read more…
Auctioneer:
Skinner
Date:
2009-07-25
Working Model of a Single-Cylinder Horizontal Steam Engine, by Louis H. Soisson, Connelsville, Pennsylvania, 1902, with 5-inch diameter flywheel, 4-inch drive wheel, two-ball governor, maroon Read more…
Auctioneer:
Skinner
Date:
2002-04-13
Working Model of a Two-cylinder Horizontal Steam Engine, with copper boiler, dual 3 1/2-in. spoked wheels, "manometer" pressure gauge, double cylinder horizontal mill engine with Read more…
Auctioneer:
Skinner
Date:
2014-05-03
Working Model of a Stuart Triple Expansion Steam Engine, cast iron frame with three stage steam engine powering cam shafts and flywheel mounted on aluminum Read more…
Auctioneer:
Skinner
Date:
2009-07-25
Working Model of a Single-Cylinder Horizontal Steam Engine, with steel mounting bed, steel clad cylinder, 5 in. dia. spoked flywheel, brass bearings, fittings, valves and Read more…
Auctioneer:
Skinner
Date:
2009-07-25
Working Model of a Steam Traction Engine, England, late 19th century, bench-made, the steam boiler with 1 1/2 in. stroke, geared two speed drive for Read more…
Auctioneer:
Skinner
Date:
2009-07-25
Red-painted Pine Working Model of a Press, America, 19th century, ht. 14, lg. 10 1/4 in. Read more…
Auctioneer:
Skinner
Date:
2009-04-16
Working Model of a Cotton Spinning Machine by Thomas Mayor, Providence, Rhode Island, the hand-cranked geared steel mechanism driving two flyers with spindles and one Read more…
Auctioneer:
Skinner
Date:
2007-03-24
