Father of Anna Williams. He was born at Rosemarket, Pembrokeshire, and practised for a time in South Wales. He was admitted a 'poor brother pensioner' of the Charterhouse, London, in 1729. His interests are indicated by the titles of his books: The Mariners Compass Compleated, 1740 and 1745; A True Narrative of certain Circumstances relating to Zachariah Williams in the Charterhouse, 1749; and Account of an Attempt to ascertain the Longitude at Sea by an exact Theory of the Variation of the Magnetical Needle, 1755. He had no luck with his discoveries, and accused Samuel Molyneux of stealing his plans. From December 1745 he was bedridden, and he died a disappointed man, 12 July 1755. Samuel Johnson took a great interest in him - see Powell's index to the Birkbeck Hill edition of Boswell.
Published date: 1959
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