From:
Emily Hardcastle
To:
Sir John Herschel
Date:
[3 May 1866]
Source of text:
RS:HS 10.156
Summary:
Found the enclosed in a bookseller's shop, found it amusing, and sends it to JH to explain the mystery.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Found the enclosed in a bookseller's shop, found it amusing, and sends it to JH to explain the mystery.
Comments on EH's 'Magic pictures', which JH said he produced and described in a paper twenty-six years earlier; JH is however unable to explain the process chemically.