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DWERRIHOUSE, LONDON. CIRCA 1790
Details
An excellent George III mahogany month-going longcase regulator
Dwerrihouse, London. Circa 1790
The case with raised rectangular panel to the double footed plinth, mahogany breakarch trunk door, the hood with brass-reeded stop chamfered angles flanking the door with ogee mouldings and surmounted by a concave pediment with brass flambeau urn finial, the silvered engraved dial of regulator layout signed Dwerrihouse Berkley Square, all hands of blued steel, the arch engraved with a dial calibrated 0-90 recording the fluctuations in pendulum length, the movement with four front-screwed pillars securing the rectangular brass plates with concave shoulders, maintaining power, four wheel train with end-cap strip to the backplate pivots, deadbeat escapement with Vulliamy-type pallets, the steel-rod pendulum spring suspended from a large steel T-bar on two coiled steel suspension springs mounted behind the plates with two steel rods spring-suspended at either end running two thirds down the insides of the trunk, the fluctuation in the length of the pendulum recorded via a cross-arm over the movement plates to a brass wheel behind the dial with delicate steel wishbone spring system to register the variations on the subsidiary dial in the arch; together with the original brass-cased weight and ebony-handled crank key with brass shaft
6.ft. 11in. (210cm.) high
Dwerrihouse, London. Circa 1790
The case with raised rectangular panel to the double footed plinth, mahogany breakarch trunk door, the hood with brass-reeded stop chamfered angles flanking the door with ogee mouldings and surmounted by a concave pediment with brass flambeau urn finial, the silvered engraved dial of regulator layout signed Dwerrihouse Berkley Square, all hands of blued steel, the arch engraved with a dial calibrated 0-90 recording the fluctuations in pendulum length, the movement with four front-screwed pillars securing the rectangular brass plates with concave shoulders, maintaining power, four wheel train with end-cap strip to the backplate pivots, deadbeat escapement with Vulliamy-type pallets, the steel-rod pendulum spring suspended from a large steel T-bar on two coiled steel suspension springs mounted behind the plates with two steel rods spring-suspended at either end running two thirds down the insides of the trunk, the fluctuation in the length of the pendulum recorded via a cross-arm over the movement plates to a brass wheel behind the dial with delicate steel wishbone spring system to register the variations on the subsidiary dial in the arch; together with the original brass-cased weight and ebony-handled crank key with brass shaft
6.ft. 11in. (210cm.) high
Special notice
No VAT will be charged on the hammer price, but VAT at 15% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.