Earnshaw, Thomas, 1749 - 1829 (maker of watches and chronometers)
Found in 4 Collections and/or Records:
Tabulated logs of observations, with related remarks. These include observations of equal altitudes; transits of the sun, moon and stars over the meridian; observations on the dip of the magnetic needle; comparisons of Mr Arnold’s watches Nos. 14 and 176 with the clock; comparisons of Mr Earnshaw's watch with the clock; and observations on the tides.
Includes computations of the rates of watches by Arnold and Earnshaw [RGO 14/62: 158r-180r], computations of the latitude and longitude of Rio de Janeiro [RGO 14/62: 181r-196v], tables of the rates of the daily rates of the timekeepers and pocket watches [RGO 14/62: 197], and various mathematical calculations and charts.
Folios 214r-222v are inverted in the volume.
Set of rough astronomical calculations, with tables, notes, and sketches of islands ‘discovered’; the islands are unnamed, although reference points are sometimes given, such as ‘Island A’ [RGO 14/62: 141*v], or ‘Bay at C’ [RGO 14/62: 79v]. Interspersed among the notes are occasional doodles by Gooch [RGO 14/62: 88v], [RGO 14/62: 124r], and translations of [Polynesian] words [RGO 14/62: 124r], [RGO 14/62: 126-127], [RGO 14/62: 141*v].
Some pages are inverted in the volume.
The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.