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 Daily observations of the going rate of the two watches during the voyage, with signatures from each of the three keyholders, William Wales, Captain James Cook, and First Lieutenant Robert Palliser Cooper (sometimes signed instead by Charles Clerke, Joseph Gilbert, or Richard Pickersgill). The rates are recorded alongside the temperatures inside and outside the cabin and comments on any difficulties with proceeding, and on periodic comparisons made between the watches and either the...