Search: Herschel, John in correspondent 
Lassell, William in correspondent 
1860-1869::1860 in date 
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Herschel11264

From:
William Lassell
To:
Sir John Herschel
Date:
[8 February 1860]
Source of text:
RS:HS 11.156
Summary:

Sends a lithograph of the 4-ft. aperture equatorial. Has made no observations with it yet. Had difficulty with the surface of the speculum. Comments on the drawing and on the use of the instrument. Cannot recollect seeing any of the irregularities pointed out by JH in his letter.

Contributor:
John Herschel Project

Herschel11623

From:
Sir John Herschel
To:
William Lassell
Date:
[11 February 1860]
Source of text:
RS:HS 23.297
Summary:

Comments on WL's 4-foot equatorial telescope of which WL sent JH a lithograph [see WL's 1860-2-8].

Contributor:
John Herschel Project

Herschel11265

From:
William Lassell
To:
Sir John Herschel
Date:
[13 February 1860]
Source of text:
RS:HS 11.157
Summary:

Pointing out the reasons for some apparent discrepancies in the drawing of his telescope. The drawing was hurriedly done by his daughter.

Contributor:
John Herschel Project

Herschel11624

From:
Sir John Herschel
To:
William Lassell
Date:
[13 November 1860]
Source of text:
RS:HS 23.317
Summary:

Comments on WL's nebulae diagrams and asks for more.

Contributor:
John Herschel Project

Herschel11266

From:
William Lassell
To:
Sir John Herschel
Date:
[11 December 1860]
Source of text:
RS:HS 11.158
Summary:

Was grateful for the copy of JH's article on the telescope. Sends parcels containing two specimens of 4-ft. specula; comments on these. Weather has been unsuitable for observations.

Contributor:
John Herschel Project
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