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Herschel4679

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 June 1834]
Source of text:
RS:HS 1.64 (C: RS:HS 1.65)
Summary:

Summary of GA's 1834-4-24, with additional information that he has written a book entitled Gravitation. Confusion over 42 Virginis. Affair between James South, and Edward Troughton and William Simms has been referred to arbitration. Experiments on Newton's rings by transmission. Letter to Thomas Maclear about his mural circle. Saw the eclipse of 16 July. Tarnish of JH's mirrors. R. A. Cauchoix's delay with telescope. [The final two pages of this letter are from Richarda Airy to Margaret Brodie Herschel.]

Contributor:
John Herschel Project

Herschel4680

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[19 October 1834]
Source of text:
RS:HS 1.66 (C: RS:HS 1.67)
Summary:

Abstracts of barometrical pressure in various parts of the earth. Has used James South's equatorial with Richard Sheepshanks's clockwork attached. Constitution of Paris Observatory being changed. D. F. J. Arago's experiments on glass and metal. Humphrey Lloyd's experiments on reflected light. Edinburgh's Observatory site likely to be changed. John Pond (Astronomer Royal) has been asked to resign. Thomas Maclear's Cape circle. Reasons for the delay in delivery of R. A. Cauchoix's telescope to Cambridge. House of Lords and Commons burnt down.

Contributor:
John Herschel Project

Herschel4681

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[14 February 1835]
Source of text:
RS:HS 1.68
Summary:

Has just been made president of the R.A.S. No news of John Pond's retirement. R. A. Cauchoix's telescope has arrived. Printing of his 1834 observations are well advanced.

Contributor:
John Herschel Project

Herschel4682

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[10 July 1835]
Source of text:
RS:HS 1.69
Summary:

Sends his 1834 observations. Has received JH's weather observing instructions. Likely to accept the post of Astronomer Royal when John Pond resigns. Further remarks on new telescope and of E. J. Cooper's (near Sligo) - planetary disks - errors of divisions of circles. Possibility of small observatory in Upper Canada.

Contributor:
John Herschel Project

Herschel4683

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 February 1836]
Source of text:
RS:HS 1.71 (C: RGO 6.368.601)
Summary:

Past difficulties and faults with running of Royal Observatory. Hopes Halley's Comet has been observed. Further information on the telescope presented to Cambridge Observatory by Hugh Percy (3rd Duke of Northumberland). James Challis has succeeded GA at Cambridge. Proposed new railway near Royal Observatory and its effect on observations.

Contributor:
John Herschel Project

Herschel4684

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 November 1836]
Source of text:
RS:HS 1.72 (C: RGO 6.368.608)
Summary:

Another son born. Has given lectures at Cambridge University. Remarks on routine at Royal Observatory. St. Helena Observatory closed. Printing of the Greenwich Observations. 'Northumberland' telescope not ready yet. Observations on the Greenwich zenith tube. Estimates for the Observatory. Suggests that the Observatory should be moved to a new site. Railway plan near Greenwich altered. James MacCullagh's new theory of optics.

Contributor:
John Herschel Project

Herschel4685

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[26 June 1838]
Source of text:
RS:HS 1.73 (C: RGO 6.368.616)
Summary:

Encloses official instructions to Thomas Maclear. Prices of telescopes. Remarks on caustics.

Contributor:
John Herschel Project

Herschel4686

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 January 1839]
Source of text:
RS:HS 1.75 (C: RGO 6.368.618)
Summary:

Any news of Field Measuring bars—alteration in size of Observatory at Cape Town? Observations on use of magnetic needle. Has JH found a suitable country house yet?

Contributor:
John Herschel Project

Herschel4687

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 February 1839]
Source of text:
RS:HS 1.76
Summary:

Further observations on the alterations at Cape Town Observatory. Any news of the measuring bars?

Contributor:
John Herschel Project

Herschel4688

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 February 1839]
Source of text:
RS:HS 1.77 (C: RGO 6.368.619)
Summary:

Thomas Maclear's assistant and equipment arranged. Observations on copper horse-shoe bars applied to the end of his magnet.

Contributor:
John Herschel Project

Herschel4689

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[16 April 1839]
Source of text:
RS:HS 1.78 (C: RGO 6.245.65)
Summary:

Knows nothing about Kew Observatory, but has heard of the name of the present office holder there.

Contributor:
John Herschel Project

Herschel4690

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[19 June 1839]
Source of text:
RS:HS 1.79
Summary:

Has sent to JH papers relating to London University. Hopes JH will accept a senatorship.

Contributor:
John Herschel Project

Herschel4691

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[16 July 1839]
Source of text:
RS:HS 1.80
Summary:

Has lost two sons with scarlet fever. Description of house at Playford, Sussex.

Contributor:
John Herschel Project

Herschel4692

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[15 August 1839]
Source of text:
RS:HS 1.81
Summary:

Regarding C. F. Gauss's magnetical observations. Domestic happenings.

Contributor:
John Herschel Project

Herschel4693

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 October 1839]
Source of text:
RS:HS 1.82
Summary:

George Everest-Thomas Jervis affair.

Contributor:
John Herschel Project

Herschel4694

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 October 1839]
Source of text:
RS:HS 1.83 & 22.27
Summary:

George Everest-Thomas Jervis affair. Observations on the production of color by chemical rays.

Contributor:
John Herschel Project

Herschel4695

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[31 October 1839]
Source of text:
RS:HS 1.84 (C: RGO 6.368.628)
Summary:

Concerning JH's experiments with photogenic light. Encloses paper of the comparisons between JH's and the Observatory's barometers. R.A.S. and R.S.L. want a subject for medals in astronomy, R.S.L. for a Copley medal in anything.

Contributor:
John Herschel Project

Herschel4696

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[26 November 1839]
Source of text:
RS:HS 1.85
Summary:

Double image micrometer has arrived; limitations and use of it. Wants list of stars for regular observations.

Contributor:
John Herschel Project

Herschel5

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 September 1833]
Source of text:
RGO 6.157.171
Summary:

More about arrangements with R. A. Cauchoix and the telescope for Cambridge Observatory; JH also comments on the state of his nebula work.

Contributor:
John Herschel Project

Herschel518

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[24 May 1838]
Source of text:
RGO 6.340.270
Summary:

Has been asked to serve on a Standards Commission, to reestablish standards destroyed by the fire in the Houses of Parliament [1834]; is willing to serve.

Contributor:
John Herschel Project
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