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of Darlington St, Wolverhampton, wheel and cycle makers
By 1877 'Cogent Penny Farthings' were selling at prices from £8 to £10 and the company was producing many different models. Hubs were made in two halves; when built-up these secured the spokes; also used rounded case-hardened cone bearings to reduce friction.
1887 The 'Cogent' No.20 sold for £15.10s.0d. It had ball bearings, a large front wheel to reduce vibration, and a hollow steel frame, part plated with an enamel finish.
1889 Henry Stephen Clarke died at the age of 52; Joseph Parker (2) took over the business on behalf of the executors. Tom Clarke moved to Manchester, where he set up the Express Cycle Co. George, William, Jack and Henry went on to form a new company, the Wearwell Cycle Co, in new premises a little further down Darlington Street. William was Managing Director of the new company which soon became one of the most important cycle manufacturers in the town.
Cogent continued for at least ten years, trading as Henry Clarke's Executors
1896 Demand for these machines increased considerably
c.1900 (?) Eventually the business was liquidated.