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1840-1849::1847 in date 
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From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[8 March 1847]
Source of text:
RS:HS 6.235
Summary:

Giving details of Thatcham Church and of the tablet, which is to be erected in memory of Francis Baily. Sculptor will be sending proof of the inscription.

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:
John Forbes, D.D.
To:
Sir John Herschel
Date:
[13 March 1847]
Source of text:
RS:HS 7.372
Summary:

Believes he has succeeded in integrating elliptic and hyperbolic functions in finite terms, and sends a paper in which this is discussed.

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:
Edward Joseph Lowe
To:
Sir John Herschel
Date:
[19 March 1847]
Source of text:
RS:HS 11.313
Summary:

Sends a work for JH; would he also present the other copy to the R.S.L.

Contributor:
John Herschel Project
From:
[Karl] Herman Knoblauch
To:
Sir John Herschel
Date:
[20 March 1847]
Source of text:
RS:HS 11.86
Summary:

Sending treatises on radiant heat for the R.S.L. and JH.

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:
Alfred Gautier
To:
Sir John Herschel
Date:
[29 March 1847]
Source of text:
RS:HS 8.88
Summary:

Introducing his nephew, Emile Gautier, Doctor of Mathematics. Sends a memoir of J. H. Maedler.

Contributor:
John Herschel Project
From:
Manuel John Johnson
To:
Sir John Herschel
Date:
[29 March 1847]
Source of text:
RS:HS 10.334
Summary:

Would be pleased to accommodate JH if he is attending the B.A.A.S. meeting.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1847]
Source of text:
RS:HS 1.180 (C: RGO 6.56.184)
Summary:

Regarding pamphlets concerning F. W. Bessel. Altitude instrument finished.

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
From:
Anne Elise Knipping
To:
Sir John Herschel
Date:
1847-4
Source of text:
RS:HS 11.59
Summary:

Comments on the reports of the birthday celebrations for JH's aunt Caroline.

Contributor:
John Herschel Project
From:
Sir Charles Shadwell
To:
Sir John Herschel
Date:
[1 April 1847]
Source of text:
RS:HS 17.198
Summary:

Presents 'tables for facilitating the approximate prediction of occultation and eclipses for any particular place,' so that seamen without specialized backgrounds in mathematics can observe and improve hydrography.

Contributor:
John Herschel Project
From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[1 April 1847]
Source of text:
unknown
Summary:

Sends some results concerning undisturbed parabolic motion. Laments the Irish famine.

Contributor:
John Herschel Project
From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[3 April 1847]
Source of text:
RS:HS 4.115
Summary:

Is very grateful for his assistance and encloses the page of the report in which he publicly acknowledges this. Further results since the return of the great atmospheric wave of 1845.

Contributor:
John Herschel Project
From:
Marian Koller
To:
Sir John Herschel
Date:
[4 April 1847]
Source of text:
RS:HS 11.91
Summary:

Sending a series of magnetical and meteorological observations made at the observatory. Comments on these.

Contributor:
John Herschel Project