Donnington Priory Salerooms

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57 A fine lacquered brass ‘Concorde’ skeleton timepiece with Harrison’s grasshopper escapement Fred Whitlock for Dent, London, 1970’s The substantial five-pillar A-shaped pierced plates with compound ‘dumb bell’ pendulum, grasshopper escapement and large escapewheel with Harrison type 20 second spring rementoire driven from a weight with Huygens style endless chain self-wound via an electric winder every seven minutes, the front applied with pierced brass and blackbutton applied abstract chapter ring, 66cm high, on rectangular mahogany base with glass cover, 75cm high overall. Provenance: Acquired directly from the maker by a family member of the vendor. This skeleton timepiece was conceived and constructed by Fred Whitlock for retail by Dent and is based on a design by Martin Burgess. Approximately 25 examples were constructed during the 1970’s with a further batch of around 10 produced from unused parts discovered in around 2000. The grasshopper escapement was developed by John Harrison in the early 1720’s, first used in his precision longcases and turret clocks it was later employed in his marine timekeepers H1-3. The spring rementoire (a device enabling power to be isolated and delivered to the escapewheel alone thus alleviating error caused by varying friction in the wheel train) was developed by Harrison in the 1730’s whilst refining the design of H2. In essence this clock serves to demonstrate the escapement action and rementoire design employed in Harrison’s marine timekeeper H2. £2,000-3,000 26 www.dnfa.com/donnington
58 A weight-driven lacquered brass skeleton timepiece Fred Whitlock for Dent, London, 1970’s the shallow pierced frame with six squat pillars enclosing two-day four-wheel train with anchor escapement, lenticular bob pendulum and silvered Roman numeral chapter ring, beneath gilt eagle-surmount and curved supports for the driving weight and counterweight linked via brass chains in an endless system to a pulley set behind the Fahrenheit thermometer fronted twin Doric column base, incorporating pulley ratchet-wind operating via the cord exiting the stepped green marble base, 48cm high, with glass cover (top panel cracked) 58cm high overall. Provenance: Acquired directly from the maker by a family member of the vendor. This attractive timepiece is based on a French model of circa 1830 by Auguste Moineau and Rolland Degrege. £1,000-1,500 01635 553553 27
Page 1 and 2: Donnington Priory Salerooms Wednesd
Page 3 and 4: Fine Clocks, Barometers & Scientifi
Page 5 and 6: Barometers & Scientific Instruments
Page 7 and 8: 4 A fine Victorian lacquered brass
Page 9 and 10: 8 A lacquered brass three inch refr
Page 11 and 12: 15 15 A mahogany mercury wheel baro
Page 13 and 14: 18 19 20 21 01635 553553 11
Page 15 and 16: 25 Clocks, clockmaking and horologi
Page 17 and 18: 32 32 A steel 6mm watchmaker’s la
Page 19 and 20: 42 A rare Dutch gold oval ‘Purita
Page 21 and 22: Fine Clocks
Page 23 and 24: 46 46 A French lacquered brass carr
Page 25 and 26: 52 A Victorian engraved gilt-brass
Page 27: 01635 553553 56 A Victorian brass-b
Page 31 and 32: 01635 553553 62 62 An French gilt m
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Page 35 and 36: 72 A large German walnut and parcel
Page 37 and 38: 74 A Victorian carved oak quarter-c
Page 39 and 40: 75 A Victorian mahogany bracket clo
Page 41 and 42: 81 A brass mounted mahogany chamfer
Page 43 and 44: 83 A George III ebonised 30-hour lo
Page 45 and 46: 86 A George III small pantry timepi
Page 47 and 48: 89 A George III mahogany longcase c
Page 49 and 50: 92 A Scottish rosewood crossbanded
Page 51 and 52: 96 A George III mahogany table cloc
Page 53 and 54: 01635 553553 98 99 51
Page 55 and 56: 101 A William III walnut and marque
Page 57 and 58: The dial layout of the current lot
Page 59 and 60: 104 A fine Queen Anne ebonised eigh
Page 61 and 62: 107 An early third period large bra
Page 63 and 64: It is entirely the responsibility o
Page 65 and 66: (a) to proceed against you for dama
Page 67 and 68: Free live bidding for online sales

Donnington Priory Salerooms

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