English silver lever with Bonniksen 52½ minute carrousel Circa 1910

Fine Silver keyless pocket watch
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A fine English, keyless, silver and gold pocket watch with 52 1/2 minute Bonniksen patented Carrousel regulator, circa 1910. The watch is made by Fred Smith, Newcastle on Tyne, movement is made by Bahne Bonniksen. The case with Chester hallmarks for 1945-1946. A solid, polished case, master mark FT (Frederick Thoms), gold hinge and thumbpieces. Hinged silver cuvette.
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White enamel dial with radial Roman numerals, outer minute track, subsidiary seconds. Blued steel spade hands. A frosted gilt, half plate movement, ring turned pillars, going barrel, jewels in screwed chatons, counterpoised lateral lever escapement, cut bi metallic compensation balance with gold timing screws, blued steel Breguet balance spring, index regulator, all mounted on Bonniksen 52 1/2 minute Karrusel platform. Movement signed, Bonniksen’s patent number on the pillar plate.
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Diameter: 50 mm
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Signed: Fred Smith  Newcastle on Tyne
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Bahne Bonniksen (1859-1935) was listed as working at 16 Norfolk St., Spoon End, Coventry. Bonniksen was born in Denmark and completed his horological apprenticeship under T. D. Wright in London, Wright was later appointed lecturer at the Northampton Polytechnic, London for his work on the theory of chronometer manufacture. After completing his apprenticeship, Bonniksen moved to Coventry where he set up his workshops. In 1893 Bonniksen made an application to the British Patent Office for his Karrusel regulator, in November of the same year he was granted Patent No.21421 for this invention.