From:
Sir John Herschel
To:
B. W. S. Vallack
Date:
[16 February 1866]
Source of text:
RS:HS 17.417b (C: RS:HS 24.141)
Summary:
Suggests weaknesses in BV's plans for a binocular telescope.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Suggests weaknesses in BV's plans for a binocular telescope.
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.