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Gorham, John in correspondent 
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From:
John Gorham
To:
Sir John Herschel
Date:
[8 May 1856]
Source of text:
RS:HS 8.219
Summary:

Has he repeated his experiments with the photographic representation of the prismatic structure? Regarding a numerical nomenclature for the colors.

Contributor:
John Herschel Project
From:
John Gorham
To:
Sir John Herschel
Date:
[1 August 1859]
Source of text:
RS:HS 8.220
Summary:

Has been working on the rotation of colored discs. Would be pleased to show him some of the novel effects. Is surgeon to the local Grammar School.

Contributor:
John Herschel Project
From:
John Gorham
To:
Sir John Herschel
Date:
[9 August 1859]
Source of text:
RS:HS 8.221
Summary:

Proposes to be at Collingwood on Tuesday next. Intends coming early so as to be able to carry out his experiments by daylight.

Contributor:
John Herschel Project
From:
John Gorham
To:
Sir John Herschel
Date:
[11 August 1859]
Source of text:
RS:HS 8.222
Summary:

Hopes to be at Collingwood on Saturday at 2 o'clock.

Contributor:
John Herschel Project
From:
John Gorham
To:
Sir John Herschel
Date:
[14 January 1868]
Source of text:
RS:HS 8.223
Summary:

Some years ago JH witnessed his experiments on the rotation of discs. Has written a paper on this subject and would be glad of his comments on whether he has chosen the right forms for the colors of the circle.

Contributor:
John Herschel Project
Document type
Transcription available