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1840-1849::1845 in date 
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From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[2 May 1845]
Source of text:
RS:HS 22.234
Summary:

On the subsuming of one scientific society by another; comments favorably on the Memoirs of the Cambridge University Philosophical Society and asks AD to help fill in JH's missing items.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[24 November 1845]
Source of text:
RS:HS 22.257
Summary:

On insurance tables for the benefit society; comments on AD's punning humor; JH has a chest cold.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Draper
Date:
[15 March 1845]
Source of text:
RS:HS 22.226
Summary:

Comments on writings of JD on the chemistry of plants [letter completed 1845-5-7].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James Basire
Date:
[1845]
Source of text:
RAS:JH Archive 4/1.5; Reel 7
Summary:

Errata and alterations to be made in [star] magnitude symbols before publication of JH's chart.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Unidentified
Date:
[1845-1-1 or later]
Source of text:
RAS:JH Archive 7/1.2 verso; Reel 8
Summary:

JH began popular series on meteorology to 'suit your readers' over one year ago, but discovered excellent treatise by L. F. Kämtz and chose instead to translate that. 'Your letter' revived the idea.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[15 January 1845]
Source of text:
JHS 3.26a
Summary:

MH has gone for a rest to St. Leonards, and JH is expecting to go there, which will allow them both to avoid a ball invitation.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[18 January 1845]
Source of text:
JHS 3.26b
Summary:

Details about JH's travel to St. Leonards to be with MH [see JH's 1845-1-15]; comments on the building of a 'Free Church' at Exeter.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[11 January 1845]
Source of text:
JHS 3.24
Summary:

It is pouring rain at Collingwood; JH writes a long but reasonably temperate review of the visit of two mesmerists; JH opposed to mesmerism because he sees it as fraudulent.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[12 January 1845]
Source of text:
JHS 3.25
Summary:

Has had a sleepless night and a headache after yesterday's mesmerists [see JH's 1845-1-11]; talks about the children with JH, and tells a silly joke about mesmerists.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[16 March 1845]
Source of text:
RGO 6.368.678
Summary:

Has been informed that William Parson's telescope resolves all the nebulae in JH's catalogue into stars.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
1845-1
Source of text:
JHS LMJF.45.1c
Summary:

About the health of Elizabeth Baily, and carpet advice from Miss Sheepshanks.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Draper
Date:
[7 May 1845]
Source of text:
RS:HS 19.117
Summary:

Critiques JD's paper on plant chemistry, contrasting 'luminous, colorific, calorific, & chemical or photographic' rays. Physics of light. [Letter continues two months later.] JH is done with photography. Has no desire to claim priorities in that field. Entrusts future to JD and others.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[17 May 1845]
Source of text:
RS:HS 19.118
Summary:

B.A.A.S. meets 18 June at Cambridge. Send contributions to report of Magnetical and Meteorological Committee to JH by 13 June.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[14 June 1845]
Source of text:
RS:HS 19.119
Summary:

Forwarded WB's report to B.A.A.S. at Cambridge. Sends payment for expenses. Two German meteorologists will be at B.A.A.S. meeting.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[7 November 1845]
Source of text:
RS:HS 19.120
Summary:

Perhaps periodic surges in atmospheric waves noticed by WB will repeat. Speaks of 'new climate' for globe. Hopes WB can attend [B.A.A.S.] meeting at Southampton.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[8 December 1845]
Source of text:
RS:HS 19.121
Summary:

JH suffering chest pains. Delighted that WB again observed 'great symmetrical wave.' Sun's effect on atmosphere is like the wake of 'Leviathan going round & round in a confined ... harbour.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Sir] James Grahame
Date:
[1845-3-20 or later]
Source of text:
RS:HS 19.122b
Summary:

C. P. Smyth, chief assistant at Cape observatory for past nine years, is capable observer and qualified to succeed Thomas Henderson as Royal Astronomer at Edinburgh.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Unidentified
Date:
[1845-5-21 or later]
Source of text:
RS:HS 19.122d
Summary:

Membership dues, voting privileges, and need for discussions after reading of papers [probably at B.A.A.S. meetings]. Suggests announcing at each adjournment what the next topic will be. Considers prohibiting any discussion following medical papers.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[13 May 1845]
Source of text:
JHS 3.21a
Summary:

News about JH's son William James, JH's doings, and JH misses MH and Collingwood very much.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[1845?]
Source of text:
JHS 3.20
Summary:

Met John Franklin, who is to lead a polar expedition; JH makes disparaging comments about mesmerists, such as W. E. Parry; mentions having seen some other prominent men.

Contributor:
John Herschel Project