Search: Herschel, John in correspondent 
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1840-1849::1849 in date 
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Herschel346

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[11 April 1849]
Source of text:
RGO 6.231.178
Summary:

A note about forwarding papers related to the double star question [see JH's 1849-4-9].

Contributor:
John Herschel Project

Herschel4827

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[17 April 1849]
Source of text:
RS:HS 1.216 (C: RGO 6.231.180
Summary:

Returning papers of Yvon Villarceau and an abstract of them, together with comments on them.

Contributor:
John Herschel Project

Herschel13607

From:
Sir John Herschel
To:
[A. J. F.] Yvon Villarceau
Date:
[19 April 1849]
Source of text:
RS:HS 17.418a
Summary:

Has passed YV's memoirs on the calculation of orbits on to G. B. Airy for publication; copies will be sent [see YV's 1849-4-1]. Notes that YV's methods are similar to those of U. J. J. Leverrier.

Contributor:
John Herschel Project

Herschel347

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[19 April 1849]
Source of text:
RGO 6.231.181
Summary:

Extended comments about some of GA's statements in GA's abstract of Yvon Villarceau's papers on double stars [see GA's 1849-4-11].

Contributor:
John Herschel Project

Herschel14822

From:
Francis Beaufort
To:
Sir John Herschel
Date:
[21 April 1849]
Source of text:
Hydrographic Office Letter Book
Summary:

Identifies the positive features of the aneroid barometer as in use by the Navy.

Contributor:
John Herschel Project

Herschel10777

From:
Robert Hunt
To:
Sir John Herschel
Date:
[21 April 1849]
Source of text:
RS:HS 10.130 & 10.136
Summary:

Is thinking of withdrawing his son from Christ's Hospital owing to his frequent epileptic fits. Should he inform the Prince Consort? Outlines his recent photographic work.

Contributor:
John Herschel Project

Herschel10778

From:
Robert Hunt
To:
Sir John Herschel
Date:
24 April [1849]
Source of text:
RS:HS 10.131 & 10.136
Summary:

Since writing to JH he has taken medical advice and decided to leave his son at Christ's Hospital for the time being. Gave a lecture at the Royal Institution on Friday evening.

Contributor:
John Herschel Project

Herschel10790

From:
Jacob Hagen
To:
Sir John Herschel
Date:
[4 May 1849]
Source of text:
RS:HS 10.145
Summary:

Regarding tides in the atmosphere. Suggests a possible way of measuring these tides. Has never seen the subject mentioned.

Contributor:
John Herschel Project

Herschel2178

From:
Sir Francis Ronalds
To:
Sir John Herschel
Date:
[4 May 1849]
Source of text:
RS:HS 14.423
Summary:

Grateful for JH's help in making a successful claim upon Her Majesty's Government.

Contributor:
John Herschel Project

Herschel7000

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[5 May 1849]
Source of text:
RS:HS 6.253
Summary:

Many thanks for his astronomy [Outlines Astr.]. Will read it later when he has more time.

Contributor:
John Herschel Project

Herschel45

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 May 1849]
Source of text:
RGO 6.371.108
Summary:

A note of thanks for a copy of JH's Outlines Astr.

Contributor:
John Herschel Project

Herschel1683

From:
Alfred Smee
To:
Sir John Herschel
Date:
[12 May 1849]
Source of text:
RS:HS 16.169
Summary:

Note to present JH with a copy of AS's latest work.

Contributor:
John Herschel Project

Herschel4368

From:
Sara Prinsep
To:
Sir John Herschel
Date:
13 May [1849?]
Source of text:
RS:HS 14.190
Summary:

Thanks JH for his support of Henry Prinsep in his attempt to be elected [to seat of directors of the East India House].

Contributor:
John Herschel Project

Herschel4508

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[13 May 1849]
Source of text:
RS:HS 23.68
Summary:

Approves of James Nasmyth's application to join R.S.L. Describes good points of Nasmyth's telescope. Supposes that if he had drawing talent, he would sketch the members of the R.S.L.

Contributor:
John Herschel Project

Herschel3185

From:
Sir Charles Shadwell
To:
Sir John Herschel
Date:
[14 May 1849]
Source of text:
RS:HS 17.199
Summary:

Describes usual method for interpolation of altitudes at sea. JH's graphic method probably would be practicable.

Contributor:
John Herschel Project

Herschel13608

From:
[A. J. F.] Yvon Villarceau
To:
Sir John Herschel
Date:
[18 May 1849]
Source of text:
RS:HS 17.419
Summary:

Is sending a communication to JH for insertion in the R.A.S.M.N. Seems to be some problem with understanding YV's calculations of the orbits of double stars, so YV explains his method.

Contributor:
John Herschel Project

Herschel12493

From:
Algernon Percy (4th Duke of Northumberland)
To:
Sir John Herschel
Date:
[18 May 1849]
Source of text:
RS:HS 13.359
Summary:

Is looking forward to receiving a copy of JH's Outlines Astr.; describes an aurora AP had seen at Alnwick Castle.

Contributor:
John Herschel Project

Herschel7001

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[22 May 1849]
Source of text:
RS:HS 6.254
Summary:

Sends extracts from book by Mr. Hopkins on the solar system. Has his own theories on the Augustan calendar proved to his own mind. No authority for giving the name Saras to the period of 223 lunations.

Contributor:
John Herschel Project

Herschel6467

From:
James Challis
To:
Sir John Herschel
Date:
[22 May 1849]
Source of text:
RS:HS 5.235
Summary:

Is grateful for his Outlines Astr. Comments on its quality and usefulness. Sends the first report of the Board of Mathematical Studies.

Contributor:
John Herschel Project

Herschel9570

From:
James David Forbes
To:
Sir John Herschel
Date:
[29 May 1849]
Source of text:
RS:HS 7.310
Summary:

Regarding the possibility of a new edition of JH's Treatise Astr. originally published in Lardner's Cyclopaedia. Has found it very useful for his students.

Contributor:
John Herschel Project
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