Scope and Contents A narrative account by James Inman of a voyage on board the ship Rolla, commanded by John Cumming, in 1803. The account provides details of the situation of places encountered, and of ‘every circumstance’ of the voyage relevant to navigation. It includes detailed descriptions of many of the places visited and of encounters with indigenous peoples. It also describes the loss of HMS Porpoise and the merchantman Cato, and the role of the Rolla, the Cumberland (commanded by Captain Flinders),...

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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.

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Book of rough calculations of astronomical observations and of comparisons of the timekeepers, made by Captain Flinders and Lieutenant Ward Flinders. Folios 70-95 are inverted in the volume.

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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].

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Book of rough calculations of astronomical observations.

Scope and Contents Minutes of Board of Longitude meetings regarding, among other matters, tables devised by José Mendoza de Ríos; correspondence with John Crosley (the astronomer with the expedition to New South Wales); a claim for a reward for Charles Mason's work on lunar tables; a report on the Arnold and Earnshaw chronometers going on the voyage of Captain Matthew Flinders; grants and awards to chronometer-makers; the observations of Nathaniel Bliss when he was Astronomer Royal; models of watch escapements...

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Concerning observations by Samuel Ward Flinders and John Crosley on a voyage of HMS Investigator.

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Concerning Matthew Flinders' request that the whole of the astronomical observations from the voyage of HMS Investigator be recalculated.

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Letters, observations and a memorial sent to the Board of Longitude from Captain Matthew Flinders and his brother Lieutenant Samuel Ward Flinders, relating to their claims to have each served in the role of astronomer on HMS Investigator after the departure of John Crosley. Also, two related letters to Lieutenant Flinders from Robert Brown and Ferdinand Bauer.

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Copied by Dr Maskelyne from pencil writing in Flinders' memoir; with reference made to Australia, Bass Strait and Torres Strait.

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This is the first of three sections of the log book for the voyage; see also [RGO 14/64: 52r-97v] and [RGO 14/64: 99r-106r]. Also included here are unrelated pages from a voyage [of HMS Thetis?] dated 1795-1797.

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This is a continuation of the log book for the voyage, which is in three parts. See also [RGO 14/64: 3r-50v] and [RGO 14/64: 99r-106r].

Scope and Contents Outgoing correspondence regarding many astronomical and nautical subjects, including accounts with printers, the production of the 'Nautical Almanac', expeditions to Australia, a reward for a method of making glass of a sufficient quality for instruments, the trial of various timepieces and their employment on board Royal Navy vessels, replies to projectors proposing various methods of finding longitude at sea, and instructions for astronomers (including William Gooch on board the Daedalus...

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Concerning observations taken at Garden Island, Sydney, New South Wales, and his equipment and instruments. A postscript concerns a gift of a pet for Miss Maskelyne, with mention of the different animals of the country.

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Originally enclosing a letter from Captain Flinders.

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Letter sent to Nevil Maskelyne from HMS Investigator at Port Jackson, concerning observations he had made on the voyage; for the observations, see [RGO 14/68: 15-16].

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Concerning observations made on a voyage of HMS Investigator.

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Concerning observations made on a voyage of HMS Investigator.

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Concerning the inclusion of observations taken by Mr Inman among the recalculated observations of HMS Investigator.

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From Mr Marsden concerning papers from Captain Flinders.

Scope and Contents From the Series: The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum...

Scope and Contents A photocopy of pages from a 'Memoir explaining the construction of the charts of Australia, with remarks upon the observations for the latitude, longitude, and variation, made on board His Majesty's ship the Investigator, in the years 1801, 2, and 3; by Matthew Flinders Commander'. There are two main sections:1. Chapter VI: 'Of the incorporation, in Sheet No. 6, of those parts of Bass's Strait seen in the schooner Francis and sloop Norfolk in 1798 and 1799, with those laid in the...

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This is a continuation of the log book for the voyage, which is in three parts. The entries cover 7-31 January 1803 while the Investigator was in the Gulf of Carpentaria, at Groote Eylandt and travelling towards Cape Arnhem. Some observations of lunar distance are included.
For earlier sections of the log book, see also [RGO 14/64: 3r-50v] and [RGO 14/64: 52r-97v].

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Sundry observations or recalculations.

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Probably made during Captain Flinders' voyage.