Search: 1870-1879 in date 
Herschel, John in author 
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Herschel8563

From:
Sir John Herschel
To:
[W. K. von Haidinger]
Date:
[9 April 1870]
Source of text:
BostonPubLib Ms. Eng. 204 (C: RS:HS 24.303)
Summary:

Thanks WH for materials WH sent, including information about scientific activity in Vienna and papers on meteorites. Recounts some of the history of the Analytical Society. Discusses meteorites and also Homeric references to iron.

Contributor:
John Herschel Project

Herschel6334

From:
Sir John Herschel
To:
Thomas Brassey
Date:
[14 April 1870]
Source of text:
RS:HS 5.96
Summary:

Thanks for his pamphlet on 'Trade Unions and the Cost of Labour.' Comments on this.

Contributor:
John Herschel Project

Herschel12882

From:
Sir John Herschel
To:
Editor of Pall Mall Budget
Date:
[20 April 1870]
Source of text:
TxU:H/L-0293; Reel 1054
Summary:

Examples from Iliad and other sources to show that military offensive tactic called 'Vertical Fire' did not originate with [L. N. M.] Carnot, as Mr. Mallet claimed in recent issue of Budget.

Contributor:
John Herschel Project

Herschel12729

From:
Sir John Herschel
To:
Duncan [Stewart]
Date:
[23 April 1870]
Source of text:
TxU:H/L-0144; Reel 1054
Summary:

No permanent optical solution to DS's double vision. Remarks on description by DS's son of cavalry duty in Ireland and Canada.

Contributor:
John Herschel Project

Herschel6862

From:
Sir John Herschel
To:
Warren de La Rue
Date:
[23 April 1870]
Source of text:
RS:HS 24.305
Summary:

Inquires about other sunspot observations made by JH.

Contributor:
John Herschel Project

Herschel2618

From:
Sir John Herschel
To:
William Selwyn
Date:
[23 April 1870]
Source of text:
RS:HS 24.304
Summary:

Asks whether WS has photographs of the sun for 21 and 22 April. Notes how curious sunspot activity has been. Doubts that such is reconcilable with the notion of 'meteoric in-falls.'

Contributor:
John Herschel Project

Herschel10648

From:
Sir John Herschel
To:
Frederick Howlett
Date:
[24 April 1870]
Source of text:
RS:HS 24.306
Summary:

Writes to compare notes on sunspot observations.

Contributor:
John Herschel Project

Herschel1607

From:
Sir John Herschel
To:
Edward Sabine
Date:
[28 April 1870]
Source of text:
Cambridge University Library 7656/H727 (C: RS:HS 24.307)
Summary:

Comments on the effect of great temperature variations on the speculum of a telescope.

Contributor:
John Herschel Project

Herschel3448

From:
Sir John Herschel
To:
Edward Sabine
Date:
[28 April 1870]
Source of text:
RS MC.9.63 (C: RS:HS 24.308)
Summary:

ES has been forwarded letter explaining why 'great telescope' at Melbourne will not work and suggesting construction corrections, on which JH, who believes such 'a priori condemnation' unjustified, comments herein.

Contributor:
John Herschel Project

Herschel2621

From:
Sir John Herschel
To:
William Selwyn
Date:
[30 April 1870]
Source of text:
RS:HS 24.309
Summary:

Is returning March heliographs. Discusses the appearance of the spots. Has not received the April heliographs.

Contributor:
John Herschel Project

Herschel2622

From:
Sir John Herschel
To:
William Selwyn
Date:
[2 May 1870]
Source of text:
RS:HS 24.310
Summary:

Wants to compare Mr. Titterton's photographs of the spot groups to [Warren] de La Rue's. Has tried to determine if some localities regularly have spots.

Contributor:
John Herschel Project

Herschel6865

From:
Sir John Herschel
To:
Warren de La Rue
Date:
[5 May 1870]
Source of text:
RS:HS 24.311
Summary:

Thanks for the photographs WD sent for the dates requested in JH's 1870-4-23.

Contributor:
John Herschel Project

Herschel12853

From:
Sir John Herschel
To:
Adolf Bernhard Meyer
Date:
[6 May 1870]
Source of text:
TxU:H/L-0260; Reel 1054
Summary:

Thanks for sending G. A. Erman's two papers on terrestrial magnetism and letter to JH. Will forward these to G. G. Stokes with recommendation that B.A.A.S. continue funding for reduction work of H. J. R. Petersen. Awaits AM's visit to Collingwood.

Contributor:
John Herschel Project

Herschel13053

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
6 May [1870]
Source of text:
TxU:H/L-0465; Reel 1055
Summary:

Forwards letter from G. A. Erman of Berlin requesting that B.A.A.S. fund [H. J. R.] Petersen's study of terrestrial magnetism.

Contributor:
John Herschel Project

Herschel1465

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[6 May 1870]
Source of text:
Cambridge University Library 7656/H728
Summary:

Writes to support grant request from Georg Erman of Berlin to allow Erman to do calculations on magnetism observations from circumnavigation of world.

Contributor:
John Herschel Project

Herschel8731

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[11 May 1870]
Source of text:
RS:HS 14.123 (C: RS:HS 24.312)
Summary:

Thanks RP for sending RP's Other Worlds than Ours and supplies comments, some favorable, on numerous claims made therein, e.g., on RP's theory that Jupiter and Saturn are hot and to some degree luminous.

Contributor:
John Herschel Project

Herschel155

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[12 May 1870]
Source of text:
RGO 695.462
Summary:

About a grant to support [H. J. R.] Petersen while he carries out the reduction of terrestrial magnetic observations.

Contributor:
John Herschel Project

Herschel2624

From:
Sir John Herschel
To:
William Selwyn
Date:
[12 May 1870]
Source of text:
RS:HS 24.313
Summary:

The research shows no particularly 'maculiferous' area on the sun, but WS may, as WS requested, present 'data' to the R.A.S. Has noticed two new spots on helioautographs on 20 and 27 April.

Contributor:
John Herschel Project

Herschel8733

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[16 May 1870]
Source of text:
RS:HS 24.314
Summary:

Assures RP that he is not upset at RP for publicly questioning some of JH's ideas. Continues discussion of point in perturbation theory for Uranus.

Contributor:
John Herschel Project

Herschel10697

From:
Sir John Herschel
To:
Sir William Huggins
Date:
[18 May 1870]
Source of text:
RS:HS 10.59
Summary:

Giving his opinion on a paper and drawing of [Francis] Abbott.

Contributor:
John Herschel Project
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