A GERMAN MAHOGANY EIGHT DAY WALL REGULATOR
THE PROPERTY OF A COLLECTOR (LOTS 338-340)
A GERMAN MAHOGANY EIGHT DAY WALL REGULATOR

WILHELM BRÖCKING, HAMBURG. CIRCA 1880

細節
A GERMAN MAHOGANY EIGHT DAY WALL REGULATOR
WILHELM BRÖCKING, HAMBURG. CIRCA 1880
CASE: detachable front with moulded glazed doors for the dial and pendulum bob, backboard with cast brass movement and pendulum bracket DIAL: 9 in. square painted regulator dial signed 'W. BRÖCKING. HAMBURG.', brass moon main hands, blued steel seconds hand MOVEMENT: thick rectangular plates with four screwed pillars, Harrison's maintaining power, minute release detent, Vulliamy-type dead beat escapement, back plate stamped 'W. BRÖCKING./HAMBURG.'; wood rod pendulum, brass weight
52½ in. (133 cm.) high, 14¼ in. (36 cm.) wide; 7 in. (18 cm.) deep

榮譽呈獻

Giles Forster
Giles Forster

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拍品專文

Wilhelm Bröcking (1834-1897) was the co-owner of W. u. W. G. Bröcking, Hamburg. Although a Hamburg clock and chronometer maker he served his apprenticeship under Malmsjo in Gotenburg, Sweden and Henry Delolme, London.
The design of this case is very typical of regulators from Altona, Hamburg and based on Johann Heinrich Kessels' design. It was also used by highly regarded makers such as Theodore Knoblich and F. Denker. K. Erbrich, Präzisionpendeluhren, Munich, 1978, pp.158-159, illustrates a similarly designed regulator by Knoblich (No. 1808) and Derek Roberts, Precision Pendulum Clocks: France, Germany, America and Recent Advancements, Atglen, 2004, pp. 192-193, illustrates a further model by Denker (No. 26).