Search: Pole, William in author 
1850-1859::1856 in date 
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Herschel1984

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

Herschel1985

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

Herschel1986

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

Herschel1987

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
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