From:
Achille Brachet
To:
Sir John Herschel
Date:
[8 November 1855]
Source of text:
RS:HS 4.210
Summary:
Concerning telescopes and their fittings, and queries relative to them. Intends to publish a work on them.
Contributor:
John Herschel Project
Showing 1–5 of 5 items
Concerning telescopes and their fittings, and queries relative to them. Intends to publish a work on them.
On telescopes and their fittings.
Sends a few explanations of G. B. Amici's third and sixth series microscopes.
Was pleased to receive his letter. Further concerning G. B. Amici's microscopes.
Answer to his queries on telescopes and rays of light. Is sorry he rejects Joseph Fraunhofer's fixed lenses.