Search: Herschel, John in correspondent 
Talbot, William Henry Fox in correspondent 
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Herschel, John in addressee 
letter in document-type 
1830-1839::1839::02 in date 
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Herschel1334

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[2 February 1839]
Source of text:
RS:HS 17.280
Summary:

More about paper being published in both the R.S.P.T. and Athenaeum.

Contributor:
John Herschel Project

Herschel1337

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[8 February 1839]
Source of text:
RS:HS 17.281a
Summary:

Questions JH's intent to display 'photogenic drawings' to R.S.L.

Contributor:
John Herschel Project

Herschel1331

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[11 February 1839]
Source of text:
RS:HS 17.282
Summary:

Wants to withhold description of 'developing' process until it is perfected to obviate others using it. Also refers to second process to make 'positive' and 'negative.'

Contributor:
John Herschel Project

Herschel1332

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[14 February 1839]
Source of text:
RS:HS 17.283
Summary:

Some comments on JH's light and photography experiments, especially effects of different kinds of glass and fixing with ferrocyanate.

Contributor:
John Herschel Project

Herschel1333

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[19 February 1839]
Source of text:
RS:HS 17.284
Summary:

Describes mediocre results obtained using ferrocyanate of potash for fixing image. Mentions some other methods, including his favorite, common salt. Asks JH to keep these secret.

Contributor:
John Herschel Project

Herschel1335

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[20 February 1839]
Source of text:
RS:HS 17.285
Summary:

Finally had success washing with ferrocyanate. Wants to present note of 'his' processes to R.S.L. and so to the world.

Contributor:
John Herschel Project

Herschel1336

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[27 February 1839]
Source of text:
RS:HS 17.286
Summary:

Wishes to communicate to J. B. Biot, and so to Academie des sciences, JH's two 'beautiful' fixing methods, by hyposulfite and ferrocyanate.

Contributor:
John Herschel Project
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