From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[12 January 1868]
Source of text:
Science Museum Talbt 1/44
Summary:
Asks WT whether WT made a certain claim about the spectrum of strontium. Recounts observations of the strontium spectrum made by JH in 1822.
Contributor:
John Herschel Project