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Fine Instruments of Science, Technology, and Engineered Models: Including property from The British Engineerium, Hove

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Lot 56^TP,Y

A WOODEN CUT-AWAY DEMONSTRATION MODEL OF A SINGLE CYLINDER A-FRAME CONDENSING BEAM ENGINE,
built by E. Jekyll Esq, late Grenadier Guards, mid-19th century,

Amended

25 September 2019, 13:00 BST

London, Knightsbridge

Sold for £535.50 inc. premium

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Claire Tole-Moir

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claire.tolemoir@bonhams.com

A WOODEN CUT-AWAY DEMONSTRATION MODEL OF A SINGLE CYLINDER A-FRAME CONDENSING BEAM ENGINE, built by E. Jekyll Esq, late Grenadier Guards, mid-19th century,

the cylinder mounted on the cooling water tanked base with simulated water level, working eccentric-driven D slide valve and governor butterfly valve. Exhaust steam enters a jet condenser with working injector valve and foot valve. The air pump delivers water to an open topped single acting boiler feed pump with inlet and exhaust valves. Water circulating pump with foot and piston valves and an overflow. All the valves are driven synchronously via a crank shaft cam with string and rocking lever systems. Crankshaft supported on plain bearings and the elegant flywheel is grooved for external drive. Mounted on a mahogany plinth. Maker's plate. Hand painted appropriate to sectioning, valves and water level, 37½in (95cm) high, 42½in (108cm) wide

Footnotes

Provenance:
Property of The British Engineerium, Hove.

Saleroom notices

Please note: the image in the catalogue is incorrect, however the image online is the right image.

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