Search: Herschel, John in correspondent 
Airy, George Biddell in correspondent 
1830-1839::1830 in date 
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Herschel4656

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[24 January 1830]
Source of text:
RS:HS 1.40
Summary:

Giving observations on stars. Discussion of clock rates and sky sweeps.

Contributor:
John Herschel Project

Herschel4657

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 March 1830]
Source of text:
RS:HS 1.41
Summary:

Informing JH that he and GA have just been appointed to a committee to consider the extension of the Astronomical Society's catalogue. Observations on this catalogue.

Contributor:
John Herschel Project

Herschel607

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 March 1830]
Source of text:
RGO 6.803.130
Summary:

Sets out JH's preferences with regard to developing a system of reductions of astronomical observations that could then be easily applied.

Contributor:
John Herschel Project

Herschel4658

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 May 1830]
Source of text:
RS:HS 1.42
Summary:

Wants JH's views on a 20-foot reflector. Inviting him to Cambridge. With this letter he encloses Volume 2 of the Cambridge Observatory's Observations and Lectures in Optics.

Contributor:
John Herschel Project

Herschel608

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 May 1830]
Source of text:
RGO 6.803.137
Summary:

About the prices of telescope mirrors, and specifically the one of T. J. Hussey; recommends use of certain stars to test the optical quality of the mirror.

Contributor:
John Herschel Project

Herschel4659

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[21 July 1830]
Source of text:
RS:HS 1.43
Summary:

Sends volume of observations. Remarks on A. J. Fresnel's experiments. Lists errors in JH's treatise on light. Requests information on circular double refraction.

Contributor:
John Herschel Project

Herschel609

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 July 1830]
Source of text:
RGO 6.803.147 (ACCS: RS:HS 25.1.6)
Summary:

Thanks GA for the second volume of his observations; wishes the publications of the Astronomer Royal were as good; adds some comments on polarization of light by liquids, and then talks about observing Georgium Sidum [Uranus], and deals with the orbits of satellites of planets generally.

Contributor:
John Herschel Project

Herschel4660

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 December 1830]
Source of text:
RS:HS 1.44
Summary:

Encloses paper 'Figure of the Earth.' Wants information on rays in quartz. Has tried A. J. Fresnel's experiments.

Contributor:
John Herschel Project

Herschel593

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 December 1830]
Source of text:
RGO 6.807.142 (draft: RS:HS 1.45 & 21.77)
Summary:

Comments on GA's and Edward Sabine's work on the figure of the earth; describes some results JH obtained from using quartz for polarizing light, and is unhappy with the proposed recipient of the R.A.S. medal, M. C. T. Damoiseau, whose lunar theory JH cannot understand.

Contributor:
John Herschel Project
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