Scope and Contents

Daily record of the time by the watch or timekeeper [Kendall’s K1] between 10 December 1779 and 8 September 1780, signed by William Bayly, John Gore and James Burney (or occasionally John Rickman). It includes a note by Bayly on first receiving the watch in June 1776 [RGO 14/61/4: 1r], occasional remarks concerning when it was carried on shore or stoppages, and a brief note on 4 September 1780 of ‘a fire in the cabin’ [RGO 14/61/4: 4v].

Scope and Contents

Daily log of observations from December 1779 to September 1780, showing barometer and thermometer readings (in the morning, at noon, and in the evening), the latitude and longitude, magnetic variation and dip [of the needle], the wind direction and remarks on the weather. The entries also include occasional mention of the location of the two ships on their return journey (travelling via Macau, Pulo Condore [Côn Đảo], Krakatau, and the Cape of Good Hope).

Scope and Contents Tabulated observations for the voyage, including records of the time by the watch or timekeeper, the apparent time, observed altitudes and lunar distances, estimates of latitude and longitude, magnetic variation, barometer and thermometer readings, and additional remarks. Reference is often made to the instruments used (including instruments by John Dollond, Jesse Ramsden, John Bird and Gowan Knight, and timekeepers by Larcum Kendall), and who made the observations (including Cook,...

Scope and Contents Tabulated observations made by astronomer William Bayly. These include records of the time by the watch, apparent time, altitudes of the sun, moon and stars, observations of lunar distance, barometer and thermometer readings, estimates of latitude and longitude, and magnetic variation.Occasional remarks on the observations are included: for example, in [RGO 14/61/3: 57r] Bayly records that his instruments were taken on shore at Kamchatka, Russia, where observations were made from 26...