From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[12 February 1839]
Source of text:
Science Museum Talbt 1/13 (ACCS: RS:HS 25.5.12 & C: TxU:H/L-0474; Reel 1055)
Summary:
JH will as WT requests stop mentioning JH's hyposulfite fixing process and await publication of WT's process. Reports in detail on some of JH's experiments relating to photography and to spectrum analysis. [In a P.S. dated 1839-2-13,] JH states: 'I have discovered your secret of fixing [or its] equivalent.'
Contributor:
John Herschel Project