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James Richard Trigwell (c1854-1943) of 49 and 49a Boston Place, Dorset Square, London.
Married Georgina Climson
1894 Patentee ball bearing head, maker of 'Regent' bicycle
See Trigwell and Co
1911 Living at Rayleigh, Bishops Park Rd Norbury, London: James R. Trigwell (age 58 born Brighton), Engineer - Employer - Married. In the house of his daughter Florence Boothroyd, her husband and two children.