Search: John Herschel Project in contributor 
Herschel, John in correspondent 
Brothers, Alfred in correspondent 
Sorted by:

Showing 18 of 8 items

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
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
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
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
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
From:
Alfred Brothers
To:
Sir John Herschel
Date:
[18 February 1871]
Source of text:
RS:HS 4.301
Summary:

Encloses photographs taken of the last eclipse. Draws his attention to certain aspects of the eclipse.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alfred Brothers
Date:
[20 February 1871]
Source of text:
RS:HS 24.357
Summary:

Thanks for, and comments on, some photographs of the solar corona.

Contributor:
John Herschel Project
From:
Alfred Brothers
To:
Sir John Herschel
Date:
[21 February 1871]
Source of text:
RS:HS 4.302
Summary:

Explaining why the moon's disc is circular.

Contributor:
John Herschel Project