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[M] AN UNUSUAL DIDACTIC DEMONSTRATION PISTON AND...
AN UNUSUAL DIDACTIC DEMONSTRATION PISTON AND GEAR, INVENTED BY GEORGE DIXON AND MADE BY W. THOMAS, 1853
comprising an arrangement of cog wheels, the largest signed and inscribed Geo. S. Dixon Invt. 1855 / W. Thomas, fecit, 1854, the top wheel driven by rear mounted bone handle crank acting on single piston shaft, mounted vertically on a square wooden post on stepped base - 22in. (56cm.) high
Sold for £595
Estimated at £200 - £400
(inc. buyer's premium of 24%)
AN UNUSUAL DIDACTIC DEMONSTRATION PISTON AND GEAR, INVENTED BY GEORGE DIXON AND MADE BY W. THOMAS, 1853
comprising an arrangement of cog wheels, the largest signed and inscribed Geo. S. Dixon Invt. 1855 / W. Thomas, fecit, 1854, the top wheel driven by rear mounted bone handle crank acting on single piston shaft, mounted vertically on a square wooden post on stepped base - 22in. (56cm.) high