Search: Herschel, John in author 
1860-1869::1867::11 in date 
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Showing 1–12 of 12 items

Herschel8357

From:
Sir John Herschel
To:
Elizabeth Drummond [Jr.]
Date:
[2 November 1867]
Source of text:
RS:HS 19.159 (C: RS:HS 24.209)
Summary:

JH is 'shaky & feeble.' Pleased with biography of ED's brother Thomas. JH's son John and bride departed today for India. Deaths of JH's contemporaries. Describes Constance Herschel's whooping cough.

Contributor:
John Herschel Project

Herschel577

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[3 November 1867]
Source of text:
RGO 6.359.536
Summary:

Writes to inquire as to the exact definition of the gallon and the pound, and the circumstances under which the appropriate measures would be made.

Contributor:
John Herschel Project

Herschel3412

From:
Sir John Herschel
To:
John Tyndall
Date:
[3 November 1867]
Source of text:
RS:HS 24.210
Summary:

Believes Michael Faraday's boro-silicate of lead has not been used for telescopes, but JH and others have tried using it for other optical purposes. Describes method for producing veinless flint glass.

Contributor:
John Herschel Project

Herschel1475

From:
Sir John Herschel
To:
East India Company
Date:
[5 November 1867]
Source of text:
APS 509.L56.20
Summary:

Feels that he has been quoted out of context, making it appear that JH favors the introduction of the metric system in India. This being not the case, JH then proceeds to show how the British system of measures is related to terrestrial measurements, especially the length of the earth's polar axis. In so doing, JH argues for the greater accuracy in the definition of the British units, as compared to the metric.

Contributor:
John Herschel Project

Herschel13547

From:
Sir John Herschel
To:
J[ohn] H[enry] Whitaker
Date:
5 November [1867]
Source of text:
TxU:H/L-0769.1; Reel 1089
Summary:

Has nothing of Mendelsohn to send to JW. Has R.S.L. letters, but JH does not want to part with them.

Contributor:
John Herschel Project

Herschel13057

From:
Sir John Herschel
To:
Richard Strachey
Date:
[5 November 1867]
Source of text:
TxU:H/L-0469 & 0470; Reel 1055
Summary:

Offers advice to president of committee for adoption of uniform system of weights and measures for India.

Contributor:
John Herschel Project

Herschel1449

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[20 November 1867]
Source of text:
Cambridge University Library 7656/H717
Summary:

Does not know if equipment from R.S.L. reached JH's son John at Southampton [see GS's 1867-11-18].

Contributor:
John Herschel Project

Herschel13535

From:
Sir John Herschel
To:
J. Melvill
Date:
[21 November 1867]
Source of text:
TxU:H/L-0763; Reel 1089
Summary:

Please transmit enclosed recommendations by JH to Richard Strachey or other members of committee to establish uniform system of weights and measures for India.

Contributor:
John Herschel Project

Herschel5442

From:
Sir John Herschel
To:
Charles Babbage
Date:
22] November [1867
Source of text:
RS:HS 2.389
Summary:

News of the forthcoming marriage of his daughter. Everyone seems to be mad on making ice.

Contributor:
John Herschel Project

Herschel8959

From:
Sir John Herschel
To:
People's Magazine
Date:
[26 November 1867]
Source of text:
People's Magazine, new ser., 1 (Jan., 1868), 62-3
Summary:

Describes a method JH devised of producing 'autographic representations of fungi on glass.'

Contributor:
John Herschel Project

Herschel12603

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 November 1867]
Source of text:
TxU:H/L-0025; Reel 1054
Summary:

Concerned about 'Commercial weight' of new standard of weights and measures.

Contributor:
John Herschel Project

Herschel12854

From:
Sir John Herschel
To:
William Hallowes Miller
Date:
[29 November 1867]
Source of text:
TxU:H/L-0261; Reel 1054
Summary:

Suspects that discrepancy between old and new commercial weights of Standard Pound may be due to trapped air in new standard. Needs WM's reply soon, so JH may inform India Committee on weights and measures.

Contributor:
John Herschel Project
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