Search: 1850-1859 in date 
letter in document-type 
Lassell, William in correspondent 
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Showing 21–25 of 25 items

Herschel11613

From:
Sir John Herschel
To:
William Lassell
Date:
[28 April 1852]
Source of text:
RS:HS 23.121
Summary:

Is willing to assist in obtaining letters of introduction for WL's projected trip to Malta.

Contributor:
John Herschel Project

Herschel11617

From:
Sir John Herschel
To:
William Lassell
Date:
[21 October 1857]
Source of text:
RS:HS 23.209
Summary:

Is preparing a new edition of Outlines Astr., and would like to know from WL the status of each of the satellites of Uranus and Neptune.

Contributor:
John Herschel Project

Herschel11619

From:
Sir John Herschel
To:
William Lassell
Date:
[27 August 1859]
Source of text:
RS:HS 23.271
Summary:

Asks for details of WL's system of speculum polishing and telescope construction as JH is preparing an article on telescopes for the Encyclopaedia Britannica.

Contributor:
John Herschel Project

Herschel11622

From:
Sir John Herschel
To:
William Lassell
Date:
[23 September 1859]
Source of text:
RS:HS 23.278 (extract 1p Harvard: Houghton AAH 67m-67 {48})
Summary:

Comments on WL's information on telescope construction, and adds some of JH's own experience.

Contributor:
John Herschel Project

Herschel3883

From:
William Lassell
To:
Sir John Herschel
Date:
[31 August 1859]
Source of text:
Harvard: Houghton AAH 67m-67 (48)
Summary:

Discusses installation of a 4-ft. aperture equatorial telescope. Describes plans for a glass polishing machine in great detail.

Contributor:
John Herschel Project
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