Search: Herschel, John in correspondent 
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Herschel, John in author 
1840-1849::1847::03 in date 
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From:
Sir John Herschel
To:
James David Forbes
Date:
[1 March 1847]
Source of text:
St. Andrews 10a (C: RS:HS 22.304)
Summary:

Believes all actinometric measurements made are useless because they did not take into account the rate of expansion of the liquid, which is not constant.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[2 March 1847]
Source of text:
RS:HS 22.305
Summary:

Plans to write John Russell in an effort to secure a pension for Thomas Maclear; asks for R.A.S. and WS's support. Asks WS to obtain some facts relevant to pension request.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[4 March 1847]
Source of text:
RS:HS 22.306
Summary:

Asks WS if possible to enclose a note by Francis Beaufort to John Russell concerning request for pension for Thomas Maclear. Lays aside double star observations; continues work on orbit equation.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Unidentified
Date:
[4 March 1847]
Source of text:
WT 67597.3
Summary:

In response to a request, JH is not willing to part with any letters from his father, William, but will send one of William Herschel's notes to his sister, Caroline.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[9 March 1847]
Source of text:
RS:HS 307 (C: RS:HS 22.307)
Summary:

Asks WS to take the chair at the next meeting of the R.A.S [probably concerning the Adams-Leverrier dispute].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Sykes
Date:
[11 March 1847]
Source of text:
RS:HS 17.143 (C: RS:HS 22.308)
Summary:

Notes that actinometer observations prove faulty due to problem with instruments. Asks that WS notify Indian observatories to join others in terminating such observations until JH finds method of getting around problem.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James P. Muirhead
Date:
[12 March 1847]
Source of text:
RS:HS 12.381 & 22.309
Summary:

Thanks for sending his book on the Correspondence of James Watt. Hopes to give it the attention it deserves, but meanwhile comments on the water controversy of Henry Cavendish, Joseph Priestley, and James Watt.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Richard Weld
Date:
[13 March 1847]
Source of text:
RS:HS 18.392 (C: 22.310)
Summary:

George III defrayed all costs (£4000) for William Herschel's 40-feet reflecting telescope. JH began dismantling it in Dec. 1839. Lenses and equipment are in storage. Tube's internal structure of corrugated iron and framework's diagonal bracing were originated by WH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[17 March 1847]
Source of text:
RS:HS 22.311
Summary:

Proposal of giving medals to both J. C. Adams and U. J. J. Leverrier by William Whewell turned down by R.A.S.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[23 March 1847]
Source of text:
RS:HS 22.312
Summary:

Thanks for AD's paper on probability of arguments and on the syllogism.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James P. Murchison
Date:
[23 March 1847]
Source of text:
RS:HS 25.7.6
Summary:

Thanks JM for a copy of the Correspondence of the Late J. Watt. In commenting on it, JH discusses at some length the doctrine of phlogiston as it relates to the discovery of the composition of water.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
1847-3-30 or later
Source of text:
RGO 6.56.185
Summary:

The books are on their way [see GA's 1847-3-30].

Contributor:
John Herschel Project