JOHN ROSKELL, LIVERPOOL. CIRCA 1815

Details

A set of four Victorian engraved gilt-brass exhibition escapement models
John Roskell, Liverpool. Circa 1815
The four models housed within lacquered brass bowls with bayonet fitted bevel-glazed covers, each movement with skeletonised plates finely engraved with scrolling foliage and with chain fusees and spring barrels with six crossings to display each spring
Chronometer
Signed John Roskell Junr. Late Robt. Roskell & Son Liverpool on the gilt foliate engraved bezel, the four wheel train with delicately engraved individual cocks for the third and fourth wheels, the escapement with double chronometer 'scape wheels with spring detent escapement and cut bimetallic compensated balance with flat blued steel spring
Verge
Movement with similar layout with three wheel train with five crossings, substantial crown wheel with brass three-arm balance with flat blued hairspring, the balance pivots secured within screwed and jewelled châtons
Chaffcutter
Movement of similar layout with three wheel train, the 'scape wheels cut from two solid steel discs, brass three-arm balance with flat blued hairspring, the balance pivots secured within screwed and jewelled châtons
English Lever Escapement
Movement with four wheel train with individual foliate engraved cocks for the third wheel, 'scape wheel and lever, cut bimetallic compensated balance with flat blued steel spring, the balance pivots secured within screwed and jewelled châtons
4¾ in. (12 cm.) dial diams. (4)

Special notice

No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis

Lot Essay

John Roskell of Liverpool is recorded working 1805-1821.
These remarkable models are likely to have been made for an exhibition or possibly they were Robert Roskell's masterpiece.

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