Search: Steinheil, C. A. von in correspondent 
1840-1849 in date 
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Herschel2929

From:
C. A. von Steinheil
To:
Sir John Herschel
Date:
[13 May 1842]
Source of text:
RS:HS 17.4
Summary:

Suggests new method of gold plating the telescopic mirrors to prevent oxidation. Mentions having tried to galvanize the mirrors with 'Galvana plastik.'

Contributor:
John Herschel Project

Herschel2931

From:
C. A. von Steinheil
To:
Sir John Herschel
Date:
[23 July 1845]
Source of text:
RS:HS 17.6
Summary:

Tells JH that his travels will take him to London. Requests time and day when they can meet personally in Kent.

Contributor:
John Herschel Project

Herschel2932

From:
C. A. von Steinheil
To:
Sir John Herschel
Date:
[26 June 1847]
Source of text:
RS:HS 17.7
Summary:

Tells JH that his invitation to visit came too late. Regrets deeply not having the opportunity to meet, but expects to do so next year. Hopes to present two works to JH at that time. Mentions working with the talented P. L. Seidel, his assistant.

Contributor:
John Herschel Project

Herschel2933

From:
C. A. von Steinheil
To:
Sir John Herschel
Date:
[26 June 1847]
Source of text:
RS:HS 17.8
Summary:

Tells JH of [P. L. von] Seidel's success in comparing luminosity of stars by means of a photometer. The results match those of JH. Sends JH a copy requesting that the form be ignored and it be communicated to the R.A.S.

Contributor:
John Herschel Project

Herschel3121

From:
Sir John Herschel
To:
C. A. von Steinheil
Date:
[16 June 1842]
Source of text:
RS:HS 17.5 (C: RS:HS 22.124)
Summary:

Thanks for suggestion of gold plating the telescope mirrors. Mentions idea of mounting a reflector horizontally but finds its execution 'insufferable'. Thanks for work on photometric measurement of light of stars. Disagrees on some results. Encloses new photographic specimens.

Contributor:
John Herschel Project
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