Search: Herschel, John in correspondent 
Lassell, William in correspondent 
1850-1859::1857::11 in date 
letter in document-type 
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From:
Sir John Herschel
To:
William Lassell
Date:
[1 November 1857]
Source of text:
RS:HS 11.151 & 23.212
Summary:

Wishes all success to his proposed visit to Malta. Has been able to find the volumes of R.A.S.M.N. Comments on WL's system of levers for his telescope.

Contributor:
John Herschel Project
From:
William Lassell
To:
Sir John Herschel
Date:
[11 November 1857]
Source of text:
RS:HS 11.152
Summary:

Thanks for his suggestions respecting the mode of observation by collimator; will give it careful consideration. Sends two photographs of the method of mounting his observation tower.

Contributor:
John Herschel Project