Search: Herschel, John in correspondent 
1860-1869::1860::02 in date 
Lassell, William in author 
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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

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
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