Search: 1840-1849::1842::09 in date 
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Herschel467

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 September 1842]
Source of text:
RGO 6.427.69
Summary:

Needs some clarification of GA's letter [see GA's 1842-9-16] before JH is ready to reply about the calculating engine.

Contributor:
John Herschel Project

Herschel4719

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[16 September 1842]
Source of text:
RS:HS 1.109 (C: RGO 6.427.68)
Summary:

Asking JH for his views on Charles Babbage's calculating machine, so that he can pass on the information to the Chancellor of the Exchequer.

Contributor:
John Herschel Project

Herschel4720

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[21 September 1842]
Source of text:
RS:HS 1.110 & 22.135
Summary:

Reply to GA's letter on Charles Babbage's calculating machine.

Contributor:
John Herschel Project

Herschel4721

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 September 1842]
Source of text:
RS:HS 1.111 (C: RGO 6.340.342)
Summary:

Robinsons (Devonshire St.) have offered their standard Troy pound, together with its history for £20-0-0. [JH has added notes from his reply regarding the present whereabouts of the various Troy pounds.]

Contributor:
John Herschel Project

Herschel4722

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 September 1842]
Source of text:
RS:HS 1.112 (C: RGO 6.427.71)
Summary:

Further remarks on his letter concerning Charles Babbage's calculating machine (see GA's 1842-9-16) in order to clarify JH's mind.

Contributor:
John Herschel Project

Herschel4723

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[26 September 1842]
Source of text:
RS:HS 1.113 (C: RGO 6.427.72)
Summary:

Encloses the Chancellor of the Exchequer's letter concerning Charles Babbage's calculating machine.

Contributor:
John Herschel Project

Herschel4987

From:
F. W. A. Argelander
To:
Sir John Herschel
Date:
[9 September 1842]
Source of text:
RS:HS 1.369
Summary:

Regarding the Misses Tunros and their residence at Bonn. Stating where his memoir on the motion of the sun is printed. Observations on stars and object glasses.

Contributor:
John Herschel Project

Herschel5353

From:
Elizabeth [Betty] Plumleigh Babbage
To:
Sir John Herschel
Date:
1842-9-16 or later
Source of text:
RS:HS 2.300
Summary:

Congratulations on the birth of his daughter.

Contributor:
John Herschel Project

Herschel537

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 September 1842]
Source of text:
RGO 6.340.343
Summary:

Gives GA some accounting of standard weights in Britain, and feels that it would be worth acquiring Robinson estate weight [see GA's 1842-9-22].

Contributor:
John Herschel Project

Herschel6102

From:
Sir John Herschel
To:
Francis Baily
Date:
[1 September 1842]
Source of text:
RS:HS 3.229 (C: RS:HS 25.8.47)
Summary:

Has sent the papers on the eclipse to G. B. Airy.

Contributor:
John Herschel Project

Herschel6103

From:
Francis Baily
To:
Sir John Herschel
Date:
[13 September 1842]
Source of text:
RS:HS 3.230
Summary:

Comments on the various reports of the recent eclipse. Regarding the star constellations.

Contributor:
John Herschel Project

Herschel6667

From:
J[oseph] Cranch
To:
Sir John Herschel
Date:
[1 September 1842]
Source of text:
RS:HS 5.370
Summary:

Would like JH's views on the suitabilities of the various makes of telescopes for their observatory.

Contributor:
John Herschel Project

Herschel6668

From:
Sir John Herschel
To:
J[oseph] Cranch
Date:
[1842-9-1 or later]
Source of text:
RS:HS 5.371 (C: RS:HS 25.13.18)
Summary:

Does not feel qualified to judge the merits of the various makes of telescopes. Suggests that the Astronomer Royal may be able to help or one of the other observatories.

Contributor:
John Herschel Project

Herschel7325

From:
John William Draper
To:
Sir John Herschel
Date:
[26 September 1842]
Source of text:
RS:HS 6.502
Summary:

Sending a Daguerreotype impression of the spectrum. Comments on this. Is publishing a work on the chemical rays.

Contributor:
John Herschel Project

Herschel8292

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[22 September 1842]
Source of text:
RS:HS 19.97
Summary:

Must complete graphs of barometer curves before B.A.A.S. meeting. Did JH mistakenly include 1837 Bogota Almanac in barometer observations?

Contributor:
John Herschel Project

Herschel8293

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[26 September 1842]
Source of text:
RS:HS 19.98
Summary:

Sends two dozen more papers on barometer graphs. Must have all papers on subject by January. Pleased with WB's lunar observations.

Contributor:
John Herschel Project

Herschel8692

From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[4 September 1842]
Source of text:
NSUB Cod.Ms.Gauss 99 (ACCS 2pp RS:HS 25.6.12)
Summary:

The instructions for making magnetic and meteorological observations are to be revised. JH asks CG's advice about this.

Contributor:
John Herschel Project

Herschel8895

From:
Sir John Herschel
To:
Francis Baily
Date:
[6 September 1842]
Source of text:
R.A.S.M.N., 6 (1842), 23-4
Summary:

Calls attention to the increase in magnitude of the star Eta Cygni. Mentions some other variable stars.

Contributor:
John Herschel Project

Herschel9130

From:
Sir John Herschel
To:
William Whewell
Date:
[29 September 1842]
Source of text:
TC, Camb. Add. Ms.a.20755 (C: RS:HS 22.136)
Summary:

Congratulates WW on a testimonial held in WW's honor in Lancaster. Reports the birth of JH's sixth daughter [Julia].

Contributor:
John Herschel Project

JHC315

From:
Sir Joseph Dalton Hooker
To:
Maria McGilvray (nee Hooker)
Date:
4 September 1842
Source of text:
JDH/1/2 f.117-119, The Royal Botanic Gardens, Kew
Summary:

JDH last wrote to his sister, Maria Hooker, in May. He is sending her some shells, which he briefly describes collecting & packing. He suggests that she, as a conchologist, should label them. The first specimen of Voluta magellanica [Adelomelon ancilla] has gone to the Government collection but the next will be for Maria. The only land shell in the Falklands is a minute Planorbis, the specimens of Murex sent are from the South Seas. JDH has also collected Auckland Island shells, Albatross eggs & specimens from New Zealand which will be sent later. Describes how isolated the Falklands are. Only Yule & JDH remain in their berth, Oakeley having been promoted to Lieutenant when McMurdo was invalided home & Sibbald is now 1st Lieutenant on the HMS 'Terror'. Describes their food rations & what fresh meat they can get in the Falklands, stock has also been delivered by the ship 'Carysfort' from Rio de Janeiro. Summer has arrived in the Falklands but there is little vegetation to show the seasonal change. JDH has been skating once during the winter freeze. Captain Gardiner, famed for his Zulu expedition, is in the Falklands waiting to take his family to Hazy Bay in the Straits of Magelhaens [Magellan] on the Patagonian coast. If Aunt Palgrave knows Mrs Gardiner's family in Hampstead she can tell them the Gardiners are all well. The 'Erebus' & 'Terror' will soon sail for a port near Cape Horn, probably St Martin's Cove in Hermit Island, where JDH hopes to see the natives described by both [Charles] Darwin & [James] Weddel. They will then go south towards the Antarctic pole again & hope to get further south than Weddel who reached 74 degrees latitude. JDH theorises that the channels in the ice are very changeable, describes sailing through pack ice as pleasant with opportunity for visiting from ship to ship. Explains why such visits are called 'Mollymawking' by Greenland fisherman. They also hunt seals & penguins & have snow ball fights on ice floes. Sends New Year wishes.

Contributor:
Hooker Project
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