John Jefferys (clockmaker)

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John Jefferys (1701 – 1754) was an English clockmaker and watchmaker.[1]

His parents, John and Jane Jefferys lived in a house called Darbies in the village of Midgham in the parish of Thatcham in Berkshire. His father was a wool merchant. His maternal grandparents were William and Bridgett Yeats. He had at least five brothers and one sister. Although his father was a Quaker, he was christened on 18 March 1701.

On 4 November 1717 he began an apprenticeship with watchmaker Edward Jagger at Well Close Square, Stepney, London. After nine years of teaching on 26 January 1726 he became a member of the Clockmakers Company of London. In 1735 Larcum Kendall was a new apprentice. Around 1753 he built a pocketwatch for watchmaker John Harrison.[2] After he died Larcum Kendall took over his workshop.


  1. ^ "John Jefferys, London; a watchmaker of repute, but did he actually make longcase clocks?" (PDF). Retrieved 2016-05-11.
  2. ^ A. W. Wolfendale. "Harrison in the Abbey". p. 55. Retrieved 2016-05-11.