Correspondence map
Interact with the map by zooming, clicking hotspots, and selecting items to see more details. Hit play on the timeline to show correspondence over time.
Humphrey Lloyd
John Frederick William Herschel
Sir John Herschel returns from South Africa
1838: A banquet in presence of Queen Victoria is given to celebrate his return to Britain and made a Baronet.
Autograph letter signed by sender. Would have liked to have welcomed John Frederick William Herschel on his return from the Cape, but academic duties prevented it. Royal Irish Academy progresses under W. R. Hamilton's presidency. His late father established a magnetic observatory at Dublin and Humphrey Lloyd is in charge.
9 June 1838 Sender: Humphrey Lloyd Reference number: HS/11/263
Autograph letter signed by sender. Rejoices that John Frederick William Herschel is in favor of a South Polar expedition. Three years since a memorandum was presented to the government and thinks the B.A.A.S. should now present a further memo. Hopes John Frederick William Herschel will give it his support.
4 August 1838 Sender: Humphrey Lloyd Reference number: HS/11/264
Autographed letter, incomplete. Agrees on the general plan for the expedition with the views of Edward Sabine. Gives some of his own comments for magnetic observations.
25 October 1838 Sender: Humphrey Lloyd Reference number: HS/11/265
Autograph letter signed by sender. Has been considering with Edward Sabine that morning the requirements for the fixed observatories. Gives lists and also estimate of finances required for a three-year period.
13 November 1838 Sender: Humphrey Lloyd Reference number: HS/11/266
Draft letter. Would like a statement from Edward Sabine and Humphrey Lloyd outlining the probable expense and materials required for the proposed expedition so that he can hand it to the government at the interview. Has written to G. B. Airy, who is not in favor of the proposed expedition, so will write again. Thinks it necessary for men of science to agree before presenting petitions to the government.
16 November 1838 Sender: John Frederick William Herschel Reference number: HS/11/267
Autograph letter signed by sender. Illness forces him to make a quick return home. Agrees with John Frederick William Herschel that scientific men should act unanimously when approaching government. Thinks the Royal Society [of London] should go along with the B.A.A.S. as well. Hoped to consult G. B. Airy. Will see Edward Sabine to draw up the memorial.
17 November 1838 Sender: Humphrey Lloyd Reference number: HS/11/268
Copy of a letter. Some personal and some general astronomical news.
11 June 1838 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/21/248
Copy of a letter. John Frederick William Herschel reiterates his support of a South Polar expedition.
6 August 1838 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/21/256
Copy of a letter. Is anxious to hear from Humphrey Lloyd about his ideas for a major expedition for magnetic observations being considered by the B.A.A.S.
22 October 1838 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/21/263
Copy of a letter. Further comments in preparation for discussion of major expedition [see John Frederick William Herschel's 1838-10-22] with representatives of the government.
5 November 1838 Sender: John Frederick William Herschel Reference number: HS/21/267
Copy of draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Would like a statement from Edward Sabine and Humphrey Lloyd outlining the probable expense and materials required for the proposed expedition so that he can hand it to the government at the interview. Has written to G. B. Airy, who is not in favor of the proposed expedition, so will write again. Thinks it necessary for men of science to agree before presenting petitions to the government.
16 November 1838 Sender: John Frederick William Herschel Reference number: HS/21/270
1839
Sir John Herschel serves his first term as President of the Royal Astronomical Society
1839: to 1841
Birth of Maria Sophia Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1839
William Henry Fox Talbot presents his paper-based photographic process at the Royal Society
1839
Autograph letter signed by sender. Was pleased to hear of the success of John Frederick William Herschel's exertions. Comments on the instruments required. Thanks for his communication on the copper ring; will try it with the bifilar. W. H. F. Talbot talks of applying the photographic method to meteorological and magnetical instruments. Encloses a paper.
16 March 1839 Sender: Humphrey Lloyd Reference number: HS/11/269
Autograph letter signed by sender. Has ordered the instruments for the Van Diemen's Land observatory. Is uncertain regarding the third magnetometer; T. C. Robinson's has not yet been tested. Will order a dip circle from Paris.
17 April 1839 Sender: Humphrey Lloyd Reference number: HS/11/270
Autograph letter signed by sender. Has just had a letter from C. F. Gauss regarding the hours for observations; comments on this.
3 August 1839 Sender: Humphrey Lloyd Reference number: HS/11/271
Autograph letter signed by sender. Finds that he misunderstood Edward Sabine's statement and may have misled John Frederick William Herschel. Comments on the observations desired from the Antarctic Expedition.
11 August 1839 Sender: Humphrey Lloyd Reference number: HS/11/272
Copy of a letter. Responds positively to Humphrey Lloyd's 1839-4-17, and adds some additional comments.
21 April 1839 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/10
Copy of a letter. About times at which magnetic observations should be made at each observation station.
7 August 1839 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/25
Copy of a letter. Passes on the suggestion, from G. B. Airy, of the use of copper rings for damping the movements of measuring instruments in measuring terrestrial magnetism.
1839-3-15 or earlie Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/25/14/20Containing Lloyd's report on the cooperation with Russian and German observatories. This involves collaboration with [Adolph Theodor] Kupffer regarding the observatories in St. Petersburg and Barnaoul. Lloyd references multiple collaborators at institutions in Munich, Breslau, Prague, and Milan. [The last two pages are on a separate sheet, labelled within the volume as MC/3/47a.]
30 October 1839 Sender: Humphrey Lloyd Reference number: MC/3/47
1840
Sir John Herschel publishes in the Philosophical Transactions
1840: Sir John Herschel publishes “On the chemical action of the rays of the solar spectrum on preparations of silver and other substances, both metallic and non-metallic; and on some photographic processes”
Autograph letter signed by sender. Has not heard of any results of John Frederick William Herschel's letter to D. F. J. Arago, but Georges Aime has been appointed to direct an observatory in Algiers. Great interest at the Institute when John Frederick William Herschel's letter was read. Glad he did not waste a second letter to the Times.
7 January 1840 Sender: Humphrey Lloyd Reference number: HS/11/273
Autograph letter signed by sender. Has received John Frederick William Herschel's letter with the sheet of curves laid down by [Charles] Riddell. Comments on these. Is honored by the notice John Frederick William Herschel has taken of his share in the magnetic project. Encloses note on the wet bulb [thermometer].
26 June 1840 Sender: Humphrey Lloyd Reference number: HS/11/274
Autograph letter signed by sender. Has just received John Frederick William Herschel's letter of August as he has been traveling on the continent. Will see G. B. Airy tomorrow. Comments on Johann von Lamont's observatory at Munich. Discussed the Report of the Magnetic arrangements with Edward Sabine. Encloses letters. L. A. J. Quetelet would like support from the Royal Society [of London] for additional observers in his observatory.
30 October 1840 Sender: Humphrey Lloyd Reference number: HS/11/275
Autograph letter signed by sender. Regarding the publication of the magnetical and meteorological observations. Wonders if a letter from John Frederick William Herschel to the appropriate bodies would prove useful. Will give early consideration to the plan.
31 October 1840 Sender: Humphrey Lloyd Reference number: HS/11/276
Autograph letter signed by sender. Took the chair at a meeting of the Committee for Physics at the Royal Society [of London] Is to bring the matter before Council, who in turn will request the Master of Ordnance to publish the observations. Material from each observatory will require about half of a quarto volume.
7 November 1840 Sender: Humphrey Lloyd Reference number: HS/11/277
Autograph letter signed by sender. Forwards papers relating to the Aden Observatory; please return, with any comments, to Col. W. H. Sykes. Submits suggestions for monthly information and comments on various topics.
26 November 1840 Sender: Humphrey Lloyd Reference number: HS/11/278
Copy of a letter. G. B. Airy needs Humphrey Lloyd to send him the information used to set up colonial magnetic observatories.
14 August 1840 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/64
Copy of a letter. About the urgent need to prepare a report on the magnetic observations, and that Humphrey Lloyd is the most logical person to give direction to it.
1 November 1840 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/69
Copy of a letter. Sends to Humphrey Lloyd a sheet of curves laid down by [Charles] Riddell, comparing Brussels declination observations with those made in Toronto. John Frederick William Herschel frequently refers to Humphrey Lloyd's work on the subject of terrestrial magnetism.
1840-6-25 or earlie Sender: John Frederick William Herschel Reference number: HS/25/14/19
1841
Sir Robert Peel becomes Prime Minister
1841
Birth of Amelia Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1841
Autograph letter signed by sender. Gives brief details of the work of the magnetic observations since John Frederick William Herschel's last record. Arrangements have been completed for the publication of some of the observations.
17 July 1841 Sender: Humphrey Lloyd Reference number: HS/11/279
Autograph letter signed by sender. Thinks that there should be more definite instructions for the Directors of the Magnetical Observatories. Has drawn up a paper, which if John Frederick William Herschel agrees with, can be signed and printed for distribution. Points out the significant parts. There should be a common nomenclature for the weather.
21 August 1841 Sender: Humphrey Lloyd Reference number: HS/11/280
1842
Birth of Julia Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1842
Sir John Herschel publishes in the Philosophical Transactions
1842: Sir John Herschel publishes “On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes”
Autograph letter signed by sender. Thinks it necessary to revise the instructions for the magnetic observations. Makes some suggestions for the Report of the Committee.
22 August 1842 Sender: Humphrey Lloyd Reference number: HS/11/281
Copy of a letter. Regarding the revision of the instructions for the magnetic observatories.
24 August 1842 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/11/282
Autograph letter signed by sender. Has just received John Frederick William Herschel's circular. Was not fully aware of the labor involved in drawing up the Report of the Council. Needs a new edition of the part concerning the fixed observatories. Outlines method for new edition. Sabine should be responsible for the material on Magnetic Surveys.
31 August 1842 Sender: Humphrey Lloyd Reference number: HS/11/283
Copy of a letter. Urges some revision in both the report and instructions for the magnetic observations.
2 September 1842 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/134
Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Regarding the revision of the instructions for the magnetic observatories.
24 August 1842 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/137
1844
Birth of Matilda Rose Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1844
Copy of a letter. Asks Humphrey Lloyd for comments about the question of continuing the magnetic observations.
1 November 1844 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/209
Contemporary copy in sender's hand, signed by sender. Informs Humphrey Lloyd of the intention of holding a magnetic congress at the meeting of the B.A.A.S. in 1845, and John Frederick William Herschel seeks Humphrey Lloyd's opinion.
22 July 1844 Sender: John Frederick William Herschel Reference number: HS/25/6/25
1845
Sir John Herschel serves as President of the British Association
1845
Copy of a letter. Question of procedure about considering the magnetic observations for publication.
5 February 1845 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/222
Copy of a letter. Is trying to organize a meeting of the Magnetic Committee before the meeting of the B.A.A.S. in Cambridge, to deal with reporting and committee membership.
30 May 1845 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/236
Copy of a letter. Further to arrangements about meeting [see John Frederick William Herschel's 1845-5-30].
5 June 1845 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/22/238
1846
Birth of Francisca Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1846
Sir John Herschel serves his second term as Foreign Secretary of the Royal Astronomical Society
1846: To 1847
Autograph letter signed by sender. Did not realize his question would require so much of John Frederick William Herschel's valuable time to answer. Hopes to introduce some safe German Philosophy into the appropriate departments at Trinity College. Will look into the Lehrbuch.
21 July 1846 Sender: Humphrey Lloyd Reference number: HS/11/284
Autograph letter signed by sender. Received his letter enclosing Edward Sabine's a few days ago on returning home. Busy at College; otherwise would have written. Could have attended a meeting of Committee of Physics had he known. Discovery of the new planet is a triumph. Has he heard of the attempt to destroy the telescope of William Parsons (3rd Earl of Rosse)?
17 October 1846 Sender: Humphrey Lloyd Reference number: HS/11/285
1847
Sir John Herschel serves his second term as President of the Royal Astronomical Society
1847: Until 1849
Sir John Herschel receives the Copley Medal
1847: Sir John Herschel receives the Copley Medal of the Royal Society "For his work entitled Results of Astronomical Observations made during the years 1834, 1835, 1836, 1837 and 1838, at the Cape of Good Hope; being a completion of a telescopic survey of the whole surface of the visible heavens, commenced in 1825"
Sir John Herschel publishes a paper
1847: Sir John Herschel publishes Results of astronomical observations made during the years 1834, 5, 6, 7, 8, at the Cape of Good Hope; being a completion of a telescopic survey of the whole surface of the visible heavens, commenced in 1825.
1848
The Pre-Raphaelite Brotherhood is formed, by John Everett Millais, Dante Gabriel Rosetti and others
1848
Napoleon III is elected first President of France
20 December 1848
Copy of a letter. Asks questions about how to proceed for the continuance of magnetic observations.
7 June 1848 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/23/30
1849
Sir John Herschel publishes Outlines of Astronomy.
1849
1850
Sir John Herschel is appointed Master of the Mint
1850
Autograph letter signed by sender. Before he sends the 'Instructions' to the press would like to know if there is any objection to the use that he has made of John Frederick William Herschel's Admiralty Manual.
30 April 1850 Sender: Humphrey Lloyd Reference number: HS/11/286
1851
Sir John Herschel serves as juror of the Great Exhibition
1851
1855
Birth of Constance Anne Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1855
Sir John Herschel is elected Foreign Associate of the Institut de France
1855
Sir John Herschel resigns from his position as Master of the Mint
1855
1857
Autograph letter signed by sender. At the last meeting of the B.A.A.S. a resolution was adopted calling for the continuance of the Magnetical Observations. Would work through the joint Royal Society [of London] and the Royal Astronomical Society committees as before. Would John Frederick William Herschel agree to continue as chairman? Let him know at the Athenaeum where he returns in a few days.
19 October 1857 Sender: Humphrey Lloyd Reference number: HS/11/287
Copy of a letter. Regrets that he cannot attend B.A.A.S. meeting and stay with Humphrey Lloyd; thanks Humphrey Lloyd for his paper on the undulating theory.
28 May 1857 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/23/202
Copy of a letter. Begs not to be chairman of the proposed Magnetic Conference Committee [see Humphrey Lloyd's 1857-10-19], but would serve on the committee.
24 October 1857 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/23/211
1859
Copy of a letter. Sends procedures for preparation of the report of the Magnetic Committee for the meeting of the B.A.A.S., which John Frederick William Herschel cannot attend due to illness; asks some questions about achromatic lens theory.
4 September 1859 Sender: John Frederick William Herschel Reference number: HS/23/276
Copy of a letter. Thanks Humphrey Lloyd for the response to John Frederick William Herschel's queries [see John Frederick William Herschel's 1859-9-4].
13 September 1859 Sender: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS/23/277
1860
Sir John Herschel publishes in the Proceedings of the Royal Society
1860: Sir John Herschel publishes some “Remarks on colour-blindness" extracted from a referee report on Pole’s paper on the same subject.
1861
Death of Margaret Louisa Marshall, née Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1861
William Morris established the decorative design firm of Morris, Marshall, Faulkner & Company (later Morris & Company)
1861
Charles Dickens publishes Great Expectations as a three-volume book
1861
Sir John Herschel publishes Physical Geography as part of the Encyclopaedia Britannica.
1861
Abraham Lincoln begins his term as President of the United States
4 March 1861
1865
Autograph letter signed by sender. Has not seen the paper in the Smithsonian Institution, but believes the author is in error. Has looked at A. L. Cauchy's Dispersion Memoir, but thinks Baden Powell's paper presents a more distinct formula. Hopes to send in a few weeks the first volume of Humphrey Lloyd's [Observations Made at the Magnetic and Meteorological Observatory at Trinity College, Dublin].
5 June 1865 Sender: Humphrey Lloyd Reference number: HS/11/288
Autograph letter signed by sender. Comments that A. J. Fresnel's papers in the Annales de chimie are really incomplete sketches of theories, which he developed later. Theory clearly stated in [Felix] Billet's Traite d'optique physique. Friend of his at Trinity College has produced a peculiar liquid.
29 July 1865 Sender: Humphrey Lloyd Reference number: HS/11/289
Autograph letter signed by sender. Pointing out one aspect of John Frederick William Herschel's report with which he does not agree, viz., the advantage of very small magnets in observations.
Sender: Humphrey Lloyd Reference number: HS/11/290