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Sadler, Donald Harry, 1908 - 1987 (astronomer)

 Person

Found in 85 Collections and/or Records:

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 File

Correspondence on trigonometrical tables, 1953

Reference Code: GBR/0180/RGO 16/336/3
Scope and Contents

Correspondence with D.H. Sadler, N.A.O., regarding 10-figure tables of trigonometrical functions by Dr Otto Kohl.

Dates: 1953
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).
 File

Correspondence with D.H. Sadler, 1943-09-23 - 1971-09-20

Reference Code: GBR/0180/RGO 45/63
Scope and Contents Correspondence with Donald Sadler, including copies of official correspondence between H.M. Nautical Almanac Office and the U.S. Navy N.A.O. The subjects include the use of 'Nautical Almanac' material in the B.A.A. Handbook, with some mention of the copyright position and reproduction fee; the recomputation of Crommelin's Perturbation Tables, mentioning the use of (human) computers in the N.A.O. and British Astronomical Association in September 1947; the use of 'National Machines' in this...
Dates: 1943-09-23 - 1971-09-20
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).
 File

Correspondence with Dr Griffiths, 1947

Reference Code: GBR/0180/RGO 16/332/8
Scope and Contents

A letter from Dr E. Griffiths, National Physical Laboratory, to D.H. Sadler, Nautical Almanac Office, 5 August 1947, and Sadler's reply of 11 August, regarding Sadler's possible attendance at a British Association meeting in Dundee. There is also a note on a computing symposium to be held at the meeting.

Dates: 1947
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).
 File

Correspondence with the Admiralty, 1921 - 1941

Reference Code: GBR/0180/RGO 16/5
Scope and Contents Miscellaneous correspondence with the Admiralty:Correspondence with the Accountant General of the Navy regarding payments to staff, insurance, office expenses, postage, accounting, the closing of the Nautical Almanac Office's bank account, and other subjects, 1921-1941.Correspondence with the Civil Establishments Branch on various staff matters, 1927-1935.Correspondence concerning a census of Civil Service staff, 1932-1933, including copies of form E40 (returns of...
Dates: 1921 - 1941
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).
 File

Correspondence with the British National Committee for Astronomy, 1959 - 1961

Reference Code: GBR/0180/RGO 9/588
Scope and Contents Correspondence with the British National Committee for Astronomy regarding meetings, agenda and minutes of meetings, proposals, and reports on various projects. There is material regarding the computational needs of theoretical astronomy; the proposed institute of theoretical astronomy; the European Southern Observatory; the 9th General Assembly of the International Astronomical Union; the International Polar Motion Service; grants in aid of travel; and frequency bands for radio astronomy....
Dates: 1959 - 1961
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).
 File

Correspondence with the Meteorological Office, 1944

Reference Code: GBR/0180/RGO 16/322/4
Scope and Contents

A letter from G.A. Bull of the Meteorological Office to D.H. Sadler, 11 July 1944, and Sadler's reply of 14 July, regarding corrections for sunset.

Dates: 1944
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).
 File

Day numbers, 1953 - 1963

Reference Code: GBR/0180/RGO 16/154
Scope and Contents

Besselian and Independent Day Numbers for 1971-1980, c. 1963, 1 bundle, with notes of day numbers by D.H. Sadler, 1953, 1 envelope.

Dates: 1953 - 1963
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).
 File

Donald H. Sadler; also S. Malin interview on BBC Radio 2, 1983-10-14

Reference Code: GBR/0180/RGO 86/3/5
Scope and Contents Side A: D.H. Sadler talking to S. Malin about his work as Superintendent of the Nautical Almanac Office. He discusses: his joining the NAO; a description of the NAO before the War; L.J. Comrie; the transfer of the NAO to Royal Observatory control; the wartime move to Bath; contacts between the NAO and ORO before the War; a description of the hockey club; memories of Spencer Jones and Woolley; links between the NAO and the ORO.Side B: Unrelated interview: Stuart Malin interviewed by...
Dates: 1983-10-14
Conditions Governing Access: This item is restricted (preservation copy). Please request access copy catalogued at RGO 86/3/7/7. The provisions of the Data Protection Act 2018 and General Data Protection Regulation (GDPR) apply to access.
 File

Essay on the 'Nautical Almanac', 1966 - 1967

Reference Code: GBR/0180/RGO 16/25
Scope and Contents

A typescript copy of an essay by D.H. Sadler entitled 'The Bicentenary of the Nautical Almanac', 1967. There is also an annotated manuscript and typescript draft of the essay, which includes a printed copy of a 1966 talk by Sadler on the same subject.

Dates: 1966 - 1967
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).
 File

Formulae for the Calculation of Geodetic Positions, 1941

Reference Code: GBR/0180/RGO 16/56
Scope and Contents

A photocopy of 'Formulae for the Calculation of Geodetic Positions' by J.C.B. Redfearn, 1941. There is an accompanying letter from Redfearn to D.H. Sadler, 17 October 1941, presenting the volume, and a letter from Harold Spencer Jones to Sadler, 24 November 1941, regarding Redfearn's formulae.

Dates: 1941
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).
 File

General correspondence, H-P, 1929 - 1941

Reference Code: GBR/0180/RGO 16/15
Scope and Contents Miscellaneous correspondence:Correspondence with D.R. Hartree, 1929-1936, concerned mainly with calculating machines and their use for a mathematics department of a university.Correspondence with Major M. Hotine of the Ordnance Survey, Southampton, 1935-1936, concerned principally with the reductions of star observations carried out by the Nautical Almanac Office.Correspondence with T.C. Hudson, 1927-1937, relating mainly to outside work undertaken by...
Dates: 1929 - 1941
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).
 Series

HMNAO Journal Reprint Series, 1946 - 1980

Reference Code: GBR/0180/RGO 34
Scope and Contents

Nos 101-356 of the NAO Journal Reprint Series, comprised of typescripts, photocopies and printed items. The principal authors are D.H. Sadler, J.G. Porter and G.A. Wilkins. The dates the reprints were made is not known.

Dates: 1946 - 1980
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).
 File

Notes on Comet N.A.O. I., 1952-10-24

Reference Code: GBR/0180/RGO 45/165
Scope and Contents

Notes on Comet N.A.O. I. produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler.

Dates: 1952-10-24
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).
 File

Notes on Comet N.A.O. I., 1952-10-28 - 1952-10-31

Reference Code: GBR/0180/RGO 45/166
Scope and Contents

Notes on Comet N.A.O. I. produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler.

Dates: 1952-10-28 - 1952-10-31
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).
 File

Notes on Comet N.A.O. I., 1953-07-11 - 1953-07-13

Reference Code: GBR/0180/RGO 45/168
Scope and Contents

Notes on Comet N.A.O. I. produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler, 11 July 1953, including comments by Sadler, 13 July 1953.

Dates: 1953-07-11 - 1953-07-13
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).
 File

Notes on computations for 1960-1980, 1949 - 1955

Reference Code: GBR/0180/RGO 16/220
Scope and Contents

Notes regarding computations for the Sun and planets for 1960-1980, made mainly by D.H. Sadler and J.G. Porter in 1954.

Dates: 1949 - 1955
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).
 File

Notes on Cowell's method, 1953-10-12

Reference Code: GBR/0180/RGO 45/173
Scope and Contents

'A modified technique for Cowell's method', notes produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler.

Dates: 1953-10-12
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).
 File

Notes on Kepler's Equation on the 602A

Reference Code: GBR/0180/RGO 45/174
Scope and Contents

'Kepler's Equation on the 602A', notes produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler, 26 April (no year).

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).
 File

Notes on methodology and computing technique, 1952-10-24

Reference Code: GBR/0180/RGO 45/171
Scope and Contents

Notes on methodology and computing technique produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler.

Dates: 1952-10-24
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).
 File

Notes on methods for computing perturbations, 1953 - 1954

Reference Code: GBR/0180/RGO 45/169
Scope and Contents

Notes on methods for computing perturbations: 1. Bauschinger; 2. Merton; 3. Oppolzer; and 4. Hansen. The notes were produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler. They include a note by Sadler.

Dates: 1953 - 1954
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).
 File

Notes on numerical integration, 1962-09-23 - 1962-09-29

Reference Code: GBR/0180/RGO 16/38
Scope and Contents

Two notes from D.H. Sadler to G.A. Wilkins regarding numerical integration.

Dates: 1962-09-23 - 1962-09-29
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).
 File

Notes on perturbations by punched cards, 1952-03-03

Reference Code: GBR/0180/RGO 45/170
Scope and Contents

Notes on perturbations by punched cards produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler.

Dates: 1952-03-03
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).
 File

Notes on perturbations-of-elements methods, 1953

Reference Code: GBR/0180/RGO 45/167
Scope and Contents

Notes on perturbations-of-elements methods produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler.

Dates: 1953
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).
 File

Notes on smoothing, 1949 - 1950

Reference Code: GBR/0180/RGO 16/187
Scope and Contents

Miscellaneous notes by D.H. Sadler and J.G. Porter on smoothing.

Dates: 1949 - 1950
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).
 File

Notes on the Crommelin-Merton Method, 1952-07 - 1952-08

Reference Code: GBR/0180/RGO 45/164
Scope and Contents

Notes on the Crommelin-Merton Method produced by Porter in connection with his work at the N.A.O. and sent to D.H. Sadler.

Dates: 1952-07 - 1952-08
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).
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