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Pole, William in author 
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From:
Sir William Pole
To:
Cha[rle]s May
Date:
[2 July 1856]
Source of text:
RS:HS 14.17
Summary:

Claims himself perfect case of di-chromic vision, only seeing blue and yellow. Gave paper on his condition to R.S.L., quoting and supporting JH's theory. Hears JH is ill, or would send letter directly to JH.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[6 August 1856]
Source of text:
RS:HS 14.18
Summary:

Thanks JH for his note. States R.S.L. is sending his paper to JH as a referee. Gives details of his own case of di-chromic vision.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[12 November 1856]
Source of text:
RS:HS 14.19
Summary:

Gives particulars of his vision, which WP characterizes as di-chromic. Recounts experiments with red glass sent by JH to WP. Offers to visit if JH wants personal interview.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[17 November 1856]
Source of text:
RS:HS 14.20
Summary:

Thanks JH for note explaining colored glasses and 'positive' colors, saying WP only had a chance to do experiments with 'negative' colors thus far. Accepts JH's invitation to visit.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
1857-7
Source of text:
RS:HS 14.21
Summary:

Explains why his paper on color vision took the artist, dyer, etc., point of view rather than that of scientific chromatology. Willing to investigate a more scientific approach and asks permission for another visit.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[15 August 1857]
Source of text:
RS:HS 14.22
Summary:

Plans to visit JH next week [to discuss color blindness].

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[17 August 1857]
Source of text:
RS:HS 14.23
Summary:

Will bring [M. E.] Chevreul's color diagrams and new spectrum representation when he visits JH; confirms mode and date of arrival.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[30 August 1857]
Source of text:
RS:HS 14.24
Summary:

Thanks Herschels for their hospitality and tells about layers of volcanic ash encountered on a walk.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[23 July 1860]
Source of text:
RS:HS 14.25
Summary:

Describes, using a diagram, how the solar protuberances appeared to him as a color-blind person when he observed a solar eclipse.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[6 August 1860]
Source of text:
RS:HS 14.26
Summary:

Thanks for note of 29 [July]. Expresses doubt over accuracy of his observations of a solar eclipse. Stresses the necessity of careful comparison of various observations. Asks JH's opinion of a photograph with prominences greater and corona less than supposed.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[12 December 1860]
Source of text:
RS:HS 14.27
Summary:

Sends his certificate for the R.S.L. to JH to sign.

Contributor:
John Herschel Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[26 May 1868]
Source of text:
RS:HS 14.28
Summary:

Thanks JH for his note. Asks that JH's paper on scales [1868 'On Musical Scales'] be made available to him.

Contributor:
John Herschel Project
From:
William Pole
To:
Charles Robert Darwin
Date:
3 July 1868
Source of text:
DAR 174: 56
Summary:

In Variation CD mentions colour-blindness in women. WP does not believe there are any proven cases.

Contributor:
Darwin Correspondence Project
From:
Sir William Pole
To:
Sir John Herschel
Date:
[18 March 1869]
Source of text:
RS:HS 14.29
Summary:

Notices in letter of last May JH's postscript about the rate of color blindness occurring to overworked or ill artists, and doubts it becomes di-chromic, but merely a 'weakness' of vision.

Contributor:
John Herschel Project
From:
William Pole
To:
Secretary of the Royal Society
Date:
29 December 1879
Source of text:
MM/21/76, Royal Society
Summary:

No summary available.

Contributor:
Royal Society