Tingwall
Subject
Subject Source: Local sources
Found in 7 Collections and/or Records:
Item
An example of the stellar method of determining the difference of meridians at sea, 1788-05-01
Item
Reference Code: GBR/0180/RGO 14/38: 125-126
Scope and Contents
From the Item:
Papers and three letters, chiefly concerning Mitchel's improved quadrant and its use for the four most important operations in navigation: finding the variation of the needle at sea, finding the latitude at sea, finding the apparent time at sea, and finding the longitude by Jupiter's satellites or the moon. In the final letter of the series, dated 14 July 1788, Mitchel states that he had 'laid aside' his quadrant method and now proposed a method of finding longitude by the stars or by the...
Dates:
1788-05-01
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).
Item
Letter from Rev. William Mitchel to Sir Harry Parker, 1787-12-14
Item
Reference Code: GBR/0180/RGO 14/38: 122
Scope and Contents
From the Item:
Papers and three letters, chiefly concerning Mitchel's improved quadrant and its use for the four most important operations in navigation: finding the variation of the needle at sea, finding the latitude at sea, finding the apparent time at sea, and finding the longitude by Jupiter's satellites or the moon. In the final letter of the series, dated 14 July 1788, Mitchel states that he had 'laid aside' his quadrant method and now proposed a method of finding longitude by the stars or by the...
Dates:
1787-12-14
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).
Item
Letter from Rev. William Mitchel to [Sir Harry Parker], 1788-03-04
Item
Reference Code: GBR/0180/RGO 14/38: 123-124
Scope and Contents
From the Item:
Papers and three letters, chiefly concerning Mitchel's improved quadrant and its use for the four most important operations in navigation: finding the variation of the needle at sea, finding the latitude at sea, finding the apparent time at sea, and finding the longitude by Jupiter's satellites or the moon. In the final letter of the series, dated 14 July 1788, Mitchel states that he had 'laid aside' his quadrant method and now proposed a method of finding longitude by the stars or by the...
Dates:
1788-03-04
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).
Item
Letter from William Mitchel to [Sir Harry Parker], 1788-04-23
Item
Reference Code: GBR/0180/RGO 14/38: 127-128
Scope and Contents
From the Item:
Papers and three letters, chiefly concerning Mitchel's improved quadrant and its use for the four most important operations in navigation: finding the variation of the needle at sea, finding the latitude at sea, finding the apparent time at sea, and finding the longitude by Jupiter's satellites or the moon. In the final letter of the series, dated 14 July 1788, Mitchel states that he had 'laid aside' his quadrant method and now proposed a method of finding longitude by the stars or by the...
Dates:
1788-04-23
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).
Item
Letter from William Mitchel to 'Sir Henry' [Sir Harry Parker], 1788-07-14
Item
Reference Code: GBR/0180/RGO 14/38: 133
Scope and Contents
Stating that he had 'laid aside' his quadrant method and now proposed a method of finding longitude by the stars or by the satellites of Jupiter.
Dates:
1788-07-14
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).
Item
Printed paper on two easy methods of finding the longitude at sea, 1787-07 - 1787-08
Item
Reference Code: GBR/0180/RGO 14/38: 118-121
Scope and Contents
With a handwritten supplement by Mitchel; see also [RGO 14/38: 129-132]. The methods proposed are by the eclipse of Jupiter's satellites and by observing the moon's passage over the meridian using his new improved quadrant.
Dates:
1787-07 - 1787-08
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).
Item
Printed paper on two easy methods of finding the longitude at sea, 1787-06 - 1788-05
Item
Reference Code: GBR/0180/RGO 14/38: 129-132
Scope and Contents
With a handwritten supplement by Mitchel; see also [RGO 14/38: 118-121].
Dates:
1787-06 - 1788-05
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).