| A very rare early 19th Century English cylinder by Roskell with Berrolla's patent quarter repeating in a gold open face case. Full plate gilt keywind fusee movement. Harrison's maintaining power. Engraved cock with diamond endstone, plain three arm steel balance with blue steel spiral
hairspring, blue steel Bosley regulator. Polished steel cylinder, large steel escape wheel, pivots with endstones. Berrolla's patent twist pendant quarter repeating on two steel gongs. Fully restored white enamel dial with subsidiary seconds, Roman numerals, gilt hands. Engine turned 18 carat open face case with ribbed middle, twist button to the pendant to operate the repeat. Wound through the gold cuvette, maker's mark "EJ" and
number corresponding to that on the movement,
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