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Mayer, Johann Tobias, 1723 - 1762 (astronomer)

 Person

Found in 39 Collections and/or Records:

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An incomplete series of fair minutes of meetings of the Board of Longitude, 1765 - 1828

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Reference Code: GBR/0180/RGO 14/4: 4-214
Scope and Contents Regarding the production of ephemerides; the publication of Tobias Mayer's lunar tables; the printing of the 'Nautical Almanac'; the employment of computers; trials of new astronomical and nautical instruments; William Garrard's method of reducing lunar distances; E. Nayler's new theory of the variation of compasses; elections to the Board of Longitude; the publication of tables of logarithms; the establishment of an observatory at the Cape of Good Hope; the voyage of HMS 'Hecla' and HMS...
Dates: 1765 - 1828
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Astronomical computations

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Reference Code: GBR/0180/RGO 4/190
Scope and Contents Undated astronomical computations, tables, rules and observations, including:1. The rules for finding the constant number to be added to the longitude of the Moon to find the argument of deviation in regard to specified stars.2. Rules for finding the aberration of a star in longitude, latitude, right ascension and north polar distance.3. Stars in the British Catalogue.4. To find the nonagesimal degree and its altitude with reference to various...
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Calculations of the Sun's longitude, 1762 - 1782

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Reference Code: GBR/0180/RGO 4/48
Scope and Contents

Calculations of the Sun's longitude from its observed right ascension, in comparison with Johann Mayer's tables or the 'Nautical Almanac', covering the period 28 August 1762 - 2 August 1776. The mean obliquity of the ecliptic is in tabular form, 1762-1776, and is continued forward to 1782 on the inside of the cover.

Dates: 1762 - 1782
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1758 - 1763

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Reference Code: GBR/0180/RGO 4/70
Scope and Contents

Computations by Reuben Burrows of the Moon's longitude and latitude from Johann Mayer's tables and from observed right ascension and north polar distance, 28 May 1758 and 5 September 1762 to 15 November 1763.

Dates: 1758 - 1763
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1762 - 1765

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Reference Code: GBR/0180/RGO 4/71
Scope and Contents

Computations of the Moon's place from observed right ascension and declination and from Johann Mayer's tables, 30 August - 27 December 1762, compiled by Reuben Burrows. There volume also includes computations for the mean time of the transits of Saturn, Jupiter, Mars, Venus and Mercury.

Dates: 1762 - 1765
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1765 - 1766

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Reference Code: GBR/0180/RGO 4/73
Scope and Contents

Computations of the Moon's longitude and latitude from observed right ascension and declination and from Johann Mayer's tables, 31 May 1765 - 22 December 1766.

Dates: 1765 - 1766
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1771

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Reference Code: GBR/0180/RGO 4/74
Scope and Contents

Computations of the Moon's tabular longitude and latitude from Johann Mayer's tables and the 'Nautical Almanac', compared with observations throughout 1771. There are also mean times of the transits of Saturn, Jupiter, Mars and Venus during 1771.

Dates: 1771
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1773

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Reference Code: GBR/0180/RGO 4/78
Scope and Contents

Computations of the Moon's tabular longitude and latitude from Johann Mayer's tables and from observed right ascension and declination, 3 October - 31 December 1773.

Dates: 1773
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1767 - 1770

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Reference Code: GBR/0180/RGO 4/88
Scope and Contents

Computations of the Moon's longitude and latitude from observations and from Johann Mayer's tables, 4 January - 30 December 1770. The volume includes the mean times for the Moon's transits, 4 January - 30 December 1770, and the conversion of mean times into apparent times, 1767-1770.

Dates: 1767 - 1770
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1767 - 1770

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Reference Code: GBR/0180/RGO 4/89
Scope and Contents

Calculation of the Moon's tabular longitude and latitude from Johann Mayer's tables, compared with longitude and latitude computed from observations, 17 November 1763 - 2 March 1765. There is also the interpolation of the Moon's longitude and latitude from the 'Nautical Almanac', 10 January 1767 - 30 December 1770.

Dates: 1767 - 1770
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Moon's place, 1774 - 1776

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Reference Code: GBR/0180/RGO 4/90
Scope and Contents

Three volumes bound together of computations of the Moon's tabular longitude and latitude (apparently calculated from Johann Mayer's tables) compared with longitude and latitude from observations, 1 January 1775 - 30 December 1776, and a similar volume for 6 January - 29 December 1775. There are also computations of mean times of the Moon's meridian transit throughout 1776.

Dates: 1774 - 1776
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computation of the Sun's place, 1765 - 1766

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Reference Code: GBR/0180/RGO 4/72
Scope and Contents

Computations relating to the Sun, including those on the Sun's place using Johann Mayer's tables, 11 May 1765 - 29 April 1766, with reference to the obliquity of the ecliptic. There are calculations of the mean time of the transit of the Moon between 31 May 1765 and 28 April 1766, and on the Moon's longitude and latitude using Mayer's tables, 31 May - 19 November 1765. The calculations were made by William Bayly.

Dates: 1765 - 1766
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computations for miscellaneous phenomena, 1760 - 1776

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Reference Code: GBR/0180/RGO 4/47
Scope and Contents Computations made from observations of many different astronomical phenomena.1. Computation of some of the mean times of the Moon's observations, lined through.2. Mean times of the observations of the 1769 comet.3. Mean times of the meridian transits of planets, 1770.4. Apparent obliquity of the ecliptic, 1770.5. Computation of the Sun's declination, 5 January - 23 December 1770.6. Sun's longitude and latitude derived from its right ascension...
Dates: 1760 - 1776
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computations for the Sun and Moon, 1765 - 1767

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Reference Code: GBR/0180/RGO 4/43
Scope and Contents Computations of the positions of the Moon and Sun.1. Computation of Moon's tabular place, 20 November 1765 - 29 April 1766.2. Cosine and tangent tables.3. Computations and calculations of the equinoxes, 1766-1767.4. Reduction of the apparent time of the Sun's passing the meridian to mean time.5. Sun's position computed from Johann Mayer's tables, 8 May 1766 - 10 May 1767.6. Moon's position computed from Mayer's tables, 14 May 1766 - 18 December...
Dates: 1765 - 1767
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computations for the Sun and Moon, 1765 - 1768

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Reference Code: GBR/0180/RGO 4/44
Scope and Contents Computations made from the observed positions of the Sun and the Moon, with various other computations.1. Moon's observed position, 17 December 1766 - 10 May 1767.2. Sun's longitude and latitude observed between 18 May 1765 and 10 May 1767.3. Moon's observed position, 31 May 1765 - 10 May 1767.4. Mean time of the transit of the Moon's limb, 12 May 1767 - 23 January 1768.5. Moon's position and the obliquity of the ecliptic computed 12 May 1767 to 7...
Dates: 1765 - 1768
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computations for the Sun, Moon and planets, 1762 - 1765

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Reference Code: GBR/0180/RGO 4/41
Scope and Contents Computations of the positions of the Sun, Moon and planets. The calculations were performed by Reuben Burrow between 24 August 1762 and 3 March 1765. 1. Sun's declination and obliquity.2. Computation of the Sun's longitude and latitude from right ascension and declination as compared with 'Connaissance des Temps'.3. Computation of the Sun's longitude from Johann Mayer's tables.4. Mean times of the meridian transits of the Moon.5. Mean times of the...
Dates: 1762 - 1765
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Computations for the Sun, Moon and planets, 1762 - 1768

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Reference Code: GBR/0180/RGO 4/42
Scope and Contents Computations of the positions of the Sun, Moon and planets performed by William Bayly and Reuben Burrow from observations taken when Nathaniel Bliss was Astronomer Royal.1. The Sun's right ascension and declination, clock errors, and longitude and latitude derived from observations and Johann Mayer's tables for 11 May 1765 to 10 May 1767.2. Moon's right ascension and declination, clock errors, and longitude and latitude derived from observations and Mayer's tables for 31 May...
Dates: 1762 - 1768
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Confirmed minutes, 1737 - 1779

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Reference Code: GBR/0180/RGO 14/5
Scope and Contents Minutes of Board of Longitude meetings regarding, among other matters, discussions on John Harrison's first marine chronometer (H1); the purchase of new instruments for work on the longitude and latitude of the coasts of Britain; improvements to the reflecting telescope; Tobias Mayer's lunar motion tables; the trial of John Harrison's chronometers; errors in the tables of the satellites; Schutz's machine for finding longitude; Chistopher Irwin's marine chair; the use of lunar observations...
Dates: 1737 - 1779
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Correspondence regarding the claim by Maria Victoria Mayer, widow of Tobias Mayer, for the reward owed to her late husband for the creation of his lunar tables for determining longitude at sea, 1763 - 1765

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Reference Code: GBR/0180/RGO 14/1: 144-155
Scope and Contents

Includes a declaration in German signed by Mrs Mayer.

Dates: 1763 - 1765
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Effect of Jupiter and Venus on the Sun, 1743 - 1756

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Reference Code: GBR/0180/RGO 4/68
Scope and Contents Computations on the effect of Jupiter and Venus on the Sun's place.1. Computations on the inequality of the Earth, produced by Jupiter and Venus, on Johann Mayer's theoretical position compared with two sets of observations, 7 June 1745 - 29 December 1751 and 4 May 1751 - 22 March 1756.2. New errors in the solar table, 14 January 1743 - 25 April 1756.3. Corrections to the places of the Sun's apogee by observations near the apogee and perigee.4. Tables for the...
Dates: 1743 - 1756
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Ephemerides, 1755 - 1795

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Reference Code: GBR/0180/RGO 4/202
Scope and Contents

Astronomical tables and ephemerides, including notes on Burg's new lunar tables, elements of solar tables of several astronomers (de Lalande, Mayer, de Lacaille, Morris, Mason and Howe) and several memoranda on comparisons of various stars.

Dates: 1755 - 1795
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Extracts from the minutes of 6 March 1756, 1761

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Reference Code: GBR/0180/RGO 4/310: 8-9
Scope and Contents From the File:

Extracts from the Minutes of the Board of Longitude, including the findings on John Harrison's chronometers.

Dates: 1761
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Journal of voyage to St Helena, 1761-01-21 - 1761-04-06

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Reference Code: GBR/0180/RGO 4/150
Scope and Contents 'Journal of a voyage from England to St Helena, Ship Prince Henry, East India Man, Charles Haggis, Commander' A record of the observations and calculations carried out by the astronomer Nevil Maskelyne on his voyage to the island of St. Helena. It is a mix of rough and neat observations from the journey and opens with tightly-packed calculations and notes to himself. This is followed by neatly set-out tables of daily entries which run from 21 January to 6 April 1761 (when the...
Dates: 1761-01-21 - 1761-04-06
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Letter concerning Mayer's method for calculating a solar eclipse, 1810-07-24

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Reference Code: GBR/0180/RGO 4/149: 81-82
Scope and Contents From the File:

The letters are primarily from Nevil Maskelyne but include three sent to Andrews by Margaret Maskelyne, following the death of her father.

Dates: 1810-07-24
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Letter concerning the longitudes of the stars from Johann Mayer's and Charles Mason's tables, 1787-07-16

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Reference Code: GBR/0180/RGO 4/149: 4-5
Scope and Contents From the File:

The letters are primarily from Nevil Maskelyne but include three sent to Andrews by Margaret Maskelyne, following the death of her father.

Dates: 1787-07-16
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
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Geographical exploration 1
Marine navigation 1
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