Search: Herschel, John in correspondent 
Airy, George Biddell in addressee 
1860-1869::1867 in date 
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Herschel275

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5 May 1867]
Source of text:
RGO 6.122.177
Summary:

Is assisting in communication between G. G. Stokes and GA, about stereoscopic observation of eclipses; JH is not mobile enough to attend the next Board of Visitors meeting.

Contributor:
John Herschel Project

Herschel276

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[7 May 1867]
Source of text:
RGO 6.122.175
Summary:

A note with G. G. Stokes' letter, which JH forgot to enclose [see JH's 1867-5-5].

Contributor:
John Herschel Project

Herschel158

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[12 September 1867]
Source of text:
RGO 6.695.491
Summary:

Comments on GA's theory of the thermo-electric origin of terrestrial magnetism.

Contributor:
John Herschel Project

Herschel234

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[12 September 1867]
Source of text:
RGO 6.412.244
Summary:

Is very pleased with resolution about the observations of Charles Rümker [see Edward Sabine's 1867-8-30].

Contributor:
John Herschel Project

Herschel575

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[12 September 1867]
Source of text:
RGO 6.359.534
Summary:

It appears that the Indian government has now approved the introduction of the metric system; JH is very upset.

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

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

Herschel579

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 December 1867]
Source of text:
RGO 6.359.543 (C: TxU:H/L-0026)
Summary:

Is still trying to bring the various definitions of the pound into agreement [see GA's 1867-11-30]; the question of weighing in air or vacuum remains as a problem.

Contributor:
John Herschel Project

Herschel580

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[3 December 1867]
Source of text:
RGO 6.359.546 (C: TxU:H/L-0027)
Summary:

Having helped to create confusion surrounding the pound weight [see GA's 1867-12-3], JH now understands it simply and clearly; JH wonders if he is 'growing elderly.'

Contributor:
John Herschel Project
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