Croaker, Henry, fl1818 - 1820 (petitioner to the Board of Longitude)
Person
Found in 12 Collections and/or Records:
Item
Letter and proposal from Henry Croaker on the motion of heavenly bodies, 1819-02-17
Item
Reference Code: GBR/0180/RGO 14/39: 80-92
Scope and Contents
Includes drawings of a sun-dial and compass, a diagram on the circular motion of the sun, mathematical calculations and tables of longitude.
Dates:
1819-02-17
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 Henry Croaker to Dr Thomas Young, 1819-06-14
Item
Reference Code: GBR/0180/RGO 14/39: 95-96
Scope and Contents
Concerning his invention of a mechanism to demonstrate the motion of the sun, moon and tides. Includes a drawing and calculations.
Dates:
1819-06-14
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 Henry Croaker to Dr Thomas Young, 1819
Item
Reference Code: GBR/0180/RGO 14/39: 99-100
Scope and Contents
Containing extracts of an 84 verse poem by Croaker.
Dates:
1819
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 Henry Croaker to Dr Thomas Young, 1819-09-16
Item
Reference Code: GBR/0180/RGO 14/39: 101-102
Scope and Contents
In which Croaker refers to ideas shown to him 'by dreams'.
Dates:
1819-09-16
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).
Item
Letter from Henry Croaker to Dr Thomas Young, 1819-10-08
Item
Reference Code: GBR/0180/RGO 14/39: 103
Scope and Contents
In which Croaker threatens to present his observations on longitude to 'a foreign board' unless given an immediate answer on their worth.
Dates:
1819-10-08
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
Letter from Henry Croaker to Dr Thomas Young, 1820-04-09
Item
Reference Code: GBR/0180/RGO 14/39: 104-105
Scope and Contents
The letter begins with a table entitled 'truth demonstrated on the laws of equity from Alla to George the Fourth England'.
Dates:
1820-04-09
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 Henry Croaker to Dr Thomas Young, 1820-06-18
Item
Reference Code: GBR/0180/RGO 14/39: 106-107
Scope and Contents
Containing further observations in verse, which came to him in a dream.
Dates:
1820-06-18
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 Henry Croaker to Dr Thomas Young, 1820-08-16
Item
Reference Code: GBR/0180/RGO 14/39: 108-109
Scope and Contents
Containing observations in verse.
Dates:
1820-08-16
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).
Item
Letter from Henry Croaker to the Board of Longitude, 1818-01-10
Item
Reference Code: GBR/0180/RGO 14/39: 75-79
Scope and Contents
Outlining his proposal for finding longitude. Includes a dial table, tables of longitude (for January to December 1818) and a drawing of 'a sun-dial on the perpetual motion'.
Dates:
1818-01-10
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 Henry Croaker to the Board of Longitude, 1819-04-09
Item
Reference Code: GBR/0180/RGO 14/39: 93-94
Scope and Contents
Outlining his proposal for finding longitude.
Dates:
1819-04-09
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 Henry Croaker to the Board of Longitude, 1820-09-25
Item
Reference Code: GBR/0180/RGO 14/39: 110-111
Scope and Contents
Concerning the movements of the heavenly bodies.
Dates:
1820-09-25
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
Philosophical observations by Henry Croaker, 1819-09-09
Item
Reference Code: GBR/0180/RGO 14/39: 97-98
Scope and Contents
Set of philosophical observations relating to the longitude problem. Includes a drawing and calculations.
Dates:
1819-09-09
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).