From:
B. W. S. Vallack
To:
Sir John Herschel
Date:
[12 February 1866]
Source of text:
RS:HS 17.417a
Summary:
Responds to JH's criticisms of his binocular telescope plans.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Responds to JH's criticisms of his binocular telescope plans.
Thanks JH for corrections to the mirrors of his telescope. Says the telescope finally gives 'a satisfactory view of Saturn.' Discusses the lenses for BV's binocular telescope. Thinks photography could benefit from binocular vision.