Jonathan Betts
Jonathan Betts MBE (born January 1955) is a British horological scholar and author, and an expert on the timekeepers created by John Harrison in the middle of the 18th century. Now practising as a horological consultant, Betts was formerly senior specialist in horology at the National Maritime Museum in Greenwich. Between 2016 and 2019 he served on the board of trustees of the Institute of Conservation, and between 2006 and 2024 he served on the council of the Antiquarian Horological Society. Provided by Wikipedia
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1
Marine chronometers at Greenwich by Betts, Jonathan
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John Hyacinth de Magellan (1722 - 1790) by Betts, Jonathan
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Time restored the Harrison timekeepers and R.T. Gould, the man who knew (almost) everything by Betts, Jonathan
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Time restored the Harrison timekeepers and R.T. Gould, the man who knew (almost) everything by Betts, Jonathan
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John Hyacinth de Magellan (1722 - 1790) by Betts, Jonathan
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John Hyacinth de Magellan (1722 - 1790) by Betts, Jonathan
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The horological career of Alexander Cummings by Betts, Jonathan
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The diamond pallets of John Harrison's fourth longitude timekeeper - H4 by Hird, Jonathan, Betts, Jonathan, Pratt, Derek
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John Harrison and the quest for longitude by Betts, Jonathan
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The barograph clock of Alexander Cumming by Betts, Jonathan
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Harrison eine Uhr zur Bestimmung des Längengrads by Betts, Jonathan
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Time restored the Harrison timekeepers and R. T. Gould, the man who knew (almost) everything by Betts, Jonathan
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The marine chronometer its history and development ; incorporating Gould's own amendments and additions from his original annotated manuscripts by Gould, Rupert Thomas 1890-1948
Published 2013Other Authors: “…Betts, Jonathan…”
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14
Harrison decoded towards a perfect pendulum clock
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A general history of horology
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