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Lot 88TP
A very rare mid 19th century mahogany floor standing regulator with gridiron pendulum and Mudge gravity escapement McGraw, Leeds
13 July 2023, 14:00 BST
London, New Bond StreetSold for £2,176 inc. premium
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A very rare mid 19th century mahogany floor standing regulator with gridiron pendulum and Mudge gravity escapement
McGraw, Leeds
The arched case with moulded frame to the full-length door, with glazed sides over a recessed panel base on moulded block feet. The 13-inch signed silvered dial Roman dial with minute track and steel hands, the recessed subsidiary seconds dial set at VI, with bold five-second markers. The weight driven movement substantially constructed throughout, with shouldered plates 6mm in thickness united by four heavy turned pillars. The inverted single train winding below XII, the gut line running over an off-set free barrel, with Harrison's maintaining power, high count pinions and substantial wheels of six crossings out, tear-drop shaped cock on the rear of the backplate supporting the deadbeat escape wheel, the gravity escapement with separately mounted vertical entry-and exit-pallets, their sprung roots screwed to the back cock and running down to the escape wheel, each playing against the outer edge of the heavy gridiron pendulum as it swings. The pendulum with T-bar suspension over five bars of brass and steel to a heavy lenticular bob, driven by a brass weight.
2m (6ft 7ins) high.
The arched case with moulded frame to the full-length door, with glazed sides over a recessed panel base on moulded block feet. The 13-inch signed silvered dial Roman dial with minute track and steel hands, the recessed subsidiary seconds dial set at VI, with bold five-second markers. The weight driven movement substantially constructed throughout, with shouldered plates 6mm in thickness united by four heavy turned pillars. The inverted single train winding below XII, the gut line running over an off-set free barrel, with Harrison's maintaining power, high count pinions and substantial wheels of six crossings out, tear-drop shaped cock on the rear of the backplate supporting the deadbeat escape wheel, the gravity escapement with separately mounted vertical entry-and exit-pallets, their sprung roots screwed to the back cock and running down to the escape wheel, each playing against the outer edge of the heavy gridiron pendulum as it swings. The pendulum with T-bar suspension over five bars of brass and steel to a heavy lenticular bob, driven by a brass weight.
2m (6ft 7ins) high.
Footnotes
Joseph Copeland McGraw was born in Leeds in 1873. It is unknown where he served his apprenticeship, but he was described as a clockmaker. He married Eliza Phoebe Pearson in 1893 in Nottingham. After the birth of their first child, James, in 1895, the family moved to Leeds, where the other six children were born. McGraw died in 1909, at the age of 36, and the family moved back to Nottingham. Two years later, they are listed as living at 6 Institute Street, Hartley Road; Eliza is described as a charwoman, and the children that are old enough to work are either listed as scholars or errand girls/boys.
The eldest child, James, would enlist shortly after the beginning of the First World War, eventually being killed in action in France 1918.
Nottinghamshire County Council (2022), Roll of Honour: James McGraw. Available at: https://secure.nottinghamshire.gov.uk/RollOfHonour/People/Details/7405