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Herschel2471

From:
Edward Sabine
To:
Sir John Herschel
Date:
3 March [1841?]
Source of text:
RS:HS 15.325
Summary:

Sends JH some actinometer observations and a letter from G. B. Airy to forward to Humphrey Lloyd. Also some observations of shooting stars made by [James] Farquharson.

Contributor:
John Herschel Project

Herschel2845

From:
Edward Sabine
To:
Sir John Herschel
Date:
[4 March 1841]
Source of text:
RS:HS 15.125
Summary:

Congratulates JH on his latest child. Notes that data from James Ross show great disturbances at the Kerguelen station simultaneously with Toronto and Greenwich. Has sent various data to C. F. Gauss. Wilhelm Weber reports a new magnetic station at Havana recording by the British system. Notes Ross's dip data supports Gauss's theoretical expectations.

Contributor:
John Herschel Project

Herschel2846

From:
Edward Sabine
To:
Sir John Herschel
Date:
[18 March 1841]
Source of text:
RS:HS 15.126
Summary:

Norwegian government plans to support a magnetic observatory. Discusses details concerning R.S.L. logistical support and sources for instruments and training. Encloses Wilhelm Weber's letter concerning the instruments. Notes Charles Riddell's return and Lieutenant Younghusband's continued good work.

Contributor:
John Herschel Project

Herschel2863

From:
Edward Sabine
To:
Sir John Herschel
Date:
[11 March 1841]
Source of text:
RS:HS 15.143
Summary:

Discusses plans for publishing magnetic storm data. Mentions transportable magnetic instruments and their use for a travelling observatory on an expedition to the Falkland Islands.

Contributor:
John Herschel Project

Herschel3630

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[24 March 1841]
Source of text:
TCD 1493:194
Summary:

On mode of conveyance of WH's sister's verses and the autographs for JH's acquaintance.

Contributor:
John Herschel Project

Herschel3637

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[5 March 1841]
Source of text:
TCD 1493:192
Summary:

Requests autographed copy of WH's sister's poems, wanting to send them to an acquaintance who translated some of JH's work. Expresses a theory about cause and effect. Mentions minutes of Royal Irish Academy, a reform of the constellations, and WH's three axes of the universe.

Contributor:
John Herschel Project

Herschel3768

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[7 March 1841]
Source of text:
TxU:H/L-0586.7.a; Reel 1058
Summary:

Reports the birth of Amelia Herschel, JH's eighth child. Forwarding to CH an article describing the telescope of William Parsons.

Contributor:
John Herschel Project

Herschel3844

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[31 March 1841]
Source of text:
unknown
Summary:

Lists those who visited CH on her birthday.

Contributor:
John Herschel Project

Herschel3862

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[19 March 1841]
Source of text:
unknown
Summary:

Considering motion as a 'successive excitement of powers.'

Contributor:
John Herschel Project

Herschel4704

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 March 1841]
Source of text:
RS:HS 1.93 (C: RGO 6.340.313)
Summary:

Sending draft of report and appendix. Specimen of a gauging scale.

Contributor:
John Herschel Project

Herschel530

From:
Sir John Herschel
To:
George Biddell Airy
Date:
1841-3-20 or later
Source of text:
RGO 6.340.314
Summary:

Has received material sent by GA [see GA's 1841-3-20]; comments on the report and JH's unavailability for meetings of the Standards Commission in the near future.

Contributor:
John Herschel Project

Herschel8110

From:
Robert Warington
To:
Sir John Herschel
Date:
[13 March 1841]
Source of text:
RS:HS 18.376
Summary:

Invites JH to join new Chemical Society. Committee proposed JH as first president.

Contributor:
John Herschel Project

Herschel8281

From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[16 March 1841]
Source of text:
RS:HS 19.88
Summary:

Progress on barometer curves. Invites WB to send report, to be read at B.A.A.S. meeting in July.

Contributor:
John Herschel Project

Herschel8368

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1841-3?]
Source of text:
RS:HS 19.167
Summary:

Received WB's packet. Will send sheets tomorrow. Needs all 'Curves and data' before end of March for final report to B.A.A.S. JH's nerves 'shattered with night work.'

Contributor:
John Herschel Project

Herschel8831

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[16 March 1841]
Source of text:
Science Museum Talbt 1/28
Summary:

Praises WT for invention of 'Kalotype' process; predicts it will be called 'Talbotype.' Notes excellence for photography of the weather during past year. Mentions possibility of cases of excessively rapid photographic change.

Contributor:
John Herschel Project

Herschel8832

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[22 March 1841]
Source of text:
Science Museum Talbt 1/29 (C: RS:HS 17.304b & 22.81) Buckland, Talbot, 66 inc
Summary:

Congratulates WT on the calotype invention and the patent. Responds at some length to WT's concerns about the infinity of the universe. In postscript, provides a 4-page dialogue on the subject.

Contributor:
John Herschel Project

Herschel8833

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[25 March 1841]
Source of text:
Science Museum Talbt 1/30 (C: RS:HS 17.305b & RS:HS 22.82)
Summary:

A further two dialogues elaborating on JH's earlier arguments [see JH's 1841-3-18] on the infinity/finitude of the universe.

Contributor:
John Herschel Project

Herschel9563

From:
James David Forbes
To:
Sir John Herschel
Date:
[26 March 1841]
Source of text:
RS:HS 7.297
Summary:

Sending a notice about the polarization of the sky. Also some practical papers he set at Durham. Has the obelisk ready for shipment to the Cape. Has asked Richard Taylor to send him a copy of his report on Meteorology.

Contributor:
John Herschel Project
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