As shown by the log, by Mr Earnshaw's three timekeepers, by Mr Arnold's two timekeepers, and also by lunar observations. The journal includes a summary of the latitudes and longitudes of 'most of the remarkable places seen in the voyage' [RGO 14/68: 145v].

Made in the years 1802 & 1803 on the coast of New Holland by Lieutenant Samuel Ward Flinders.

The account relates to the voyage of HMS Investigator under Captain Flinders and observations taken by Inman at Port Jackson. It includes details of problems Inman had with his equipment.

Copies of papers regarding the Anglo-Australian Telescope Board, including letters on various subjects, such as proposals, reviews and staff; material regarding the twenty-second meeting of the Board, including the provisional agenda; and various reports, including 'Astronomy in Australia. Developments in the 1980s. The First Report by the Astronomy Advisory Committee to the Minister for Science and the Environment', July 1980.

Miscellaneous petitions and memorials making requests of the Board of Longitude.

With the time kept by the timekeeper No. 543 and with additional remarks on the visibility, sea conditions, and occasionally, the location in which observations were made.

Includes observations made at: Drake’s Island, Plymouth Sound; the island of Enchados in the harbour of Rio de Janeiro; Port Stephens, New South Wales; Sydney Cove, Port Jackson, New South Wales; Karakakoa Bay on the island of O’Whyee; the Spanish settlement of Monterrey on the coast of California; Volcano Bay, island of Insu; and near Rocky Head, Typa.

The observations form a continuous run, with occasional headings based on location (reproduced here).

Reduced by Dawes.

Reduced by William Wales.

The observations form a continuous run, with occasional headings based on location (reproduced here).

Book of rough calculations of astronomical observations and accounts of the daily rates of the timekeepers and their errors. Includes observations written on the back of a sales receipt [RGO 14/66/3: 97v] and on the back of a letter from Robert Brine to Lieutenant Flinders [RGO 14/66/3: 107].
Also included is a list of French phases compiled by Captain Flinders while imprisoned on the island of Mauritius [RGO 14/66/3: 56].

Book of rough calculations of astronomical observations.

Of the restitution of the name Australia or Terra Australis to the extensive country which has lately gone under the name of New Holland.

On the scales and markings used on Flinders' charts of Australia.

On the manner in which latitudes of places in the chart of Australia were obtained.

On the observations by which longitudes of places on the coast of Australia were fixed, with the rates of the timekeepers, and approximate times used.

On the manner in which the longitude of the east and north coast of Australia was regulated, and the track laid down for circumnavigation, commencing with the rates and errors of the timekeepers at Port Jackson.

On the variation of the compass used in the construction of the charts of Australia and the means taken to obtain and apply it correctly, with additional remarks. The chapter ends with a note (in pencil) on revisions and on the intended contents of chapters 6 and 7.

Copies of outgoing correspondence from Astronomer Royal, John Pond, and his assistant, Thomas Taylor, at the Royal Observatory. Some of the letters are addressed to chronometer makers. Note that correspondence to more than one person often appears on the same page.

Containing tables of comparison relating to timekeepers A82, A176, A1736, E520 and E543.