Search: Herschel, John in correspondent 
Brothers, Alfred in correspondent 
1860-1869 in date 
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Showing 1–5 of 5 items

Herschel5827

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[27 October 1864]
Source of text:
RS:HS 4.296
Summary:

Is preparing a lecture on photography and wonders if JH was the inventor of the hyposulfite fixing process.

Contributor:
John Herschel Project

Herschel5828

From:
Sir John Herschel
To:
Alfred Brothers
Date:
[29 October 1864]
Source of text:
RS:HS 4.297 & 24.64
Summary:

Outlines his claim as being the inventor of the hyposulfite fixing process.

Contributor:
John Herschel Project

Herschel5829

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[2 November 1864]
Source of text:
RS:HS 4.298
Summary:

Is grateful for his letter regarding the claim for the discovery of the hyposulfite fixing process.

Contributor:
John Herschel Project

Herschel5830

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[7 November 1864]
Source of text:
RS:HS 4.299
Summary:

Regarding the differences between portraits and photographs. Is sending him some magnesium for photographic purposes.

Contributor:
John Herschel Project

Herschel5831

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[10 April 1866]
Source of text:
RS:HS 4.300
Summary:

Would like to publish his letter on the hyposulfite fixing process.

Contributor:
John Herschel Project
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