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Duhamel, Le Duc, fl1822 - 1828 (petitioner to the Board of Longitude)

 Person

Found in 13 Collections and/or Records:

 Item

A second method for ascertaining the exact loss or gain of two chronometers, 1828-01-29

Reference Code: GBR/0180/RGO 14/38: 491-498
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1828-01-29
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

Duhamel's first method for ascertaining the exact loss or gain of two chronometers, 1828-01-10

Reference Code: GBR/0180/RGO 14/38: 499-500
Scope and Contents

Printed newspaper extract from The Morning Post.

Dates: 1828-01-10
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 Le Duc Duhamel to Dr Thomas Young, 1827-10-23

Reference Code: GBR/0180/RGO 14/38: 477
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1827-10-23
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 Le Duc Duhamel to Dr Thomas Young, 1828-01-29

Reference Code: GBR/0180/RGO 14/38: 489-490
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1828-01-29
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 Le Duc Duhamel to Sir John Barrow, 1827-09-04

Reference Code: GBR/0180/RGO 14/38: 475-476
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1827-09-04
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 Le Duc Duhamel to the Board of Longitude, 1822-02-25

Reference Code: GBR/0180/RGO 14/38: 469-470
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1822-02-25
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

Letter from Le Duc Duhamel to the Board of Longitude, 1827-06-11

Reference Code: GBR/0180/RGO 14/38: 471-472
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1827-06-11
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 Le Duc Duhamel to the Board of Longitude, 1827-08-27

Reference Code: GBR/0180/RGO 14/38: 473-474
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1827-08-27
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 Monsieur Duhamel, 1820-08-14

Reference Code: GBR/0180/RGO 14/35: 373
Scope and Contents From the Item:

Two letters and a printed paper on finding the longitude by the moon's transit or distance from the meridian.

Dates: 1820-08-14
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 Monsieur Duhamel to Dr Thomas Young, 1820-05-03

Reference Code: GBR/0180/RGO 14/35: 371-372
Scope and Contents From the Item:

Two letters and a printed paper on finding the longitude by the moon's transit or distance from the meridian.

Dates: 1820-05-03
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

Method for ascertaining the exact loss or gain of two chronometers, 1827

Reference Code: GBR/0180/RGO 14/38: 478-488
Scope and Contents From the Item:

Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

Dates: 1827
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

Monsieur Duhamel on an instrument for showing magnetic variation, 1820-05-15

Reference Code: GBR/0180/RGO 14/43: 509-511
Scope and Contents From the File:

Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.

Dates: 1820-05-15
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 outlining Duhamel's two new methods of ascertaining longitude, 1820-08-14

Reference Code: GBR/0180/RGO 14/35: 374-378
Scope and Contents

With an illustration.

Dates: 1820-08-14
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).

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