As you can see on the catalogue photos, this instrument was already sold by Christie’s at 17 December 1998. Coming from a private collection. Christie’s description: “An unusual,finely engineered model of a three oscillating cylinder radial steam engine, with a double acting cylinders 3/4in. bore x 2in. stroke mounted at 120 to one another on a hexagonal pierced frame the pistonrods with a common crosshead on a counterbalanced crank, the crankshaft running in three mainbearings, the outboard
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