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Harrison, John (c 1693-1776), horologist
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Letter from David Smyth Torrens to Edgar Douglas Adrian
O./11a.2/48 · Item · 13 Aug. 1953
Part of Manuscripts in Wren Class O

Regarding the instalment of the new clock in Bentley's time as Master, and John Harrison's association with Trinity. With card from Adrian to H. M. Adams, the Librarian, passing on the letter and mentioning an attempt to find references to Harrison in the collections.
Notes by Henry Leonard Nelthropp on clocks and chronometers of John Harrison
Add. MS a/807 · Item · [1891 or later]
Part of Additional Manuscripts a

Notes that at the 'Shandon Sale... on Friday May 18th 1877' [the sale of the goods of Robert Napier of West Shandon], Lot 2298 was 'a chronometer in silver case, by J. Harrison, 1770, being the duplicate of one for which the inventor received a rewards of £20,000 from the Board of Longitude...'; record of Harrison's chronometers in the 'Catalogue of Naval Exhib[itio]n 1891 page 380'; detailed quoted description of 'No 3. Instrument bought by Clockmakers Co. The duplicate of No. 1. Made actually by Harrison'.

Rough calculations on verso of final sheet.

 Nelthropp, Henry Leonard (1820-1901), clergyman