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Herschel, John in correspondent 
Lloyd, Humphrey in correspondent 
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From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[31 May 1865]
Source of text:
APS B.H435p.22 (C: RS:HS 24.113)
Summary:

Writes to ask for clarification of HL's views on the dispersion of light.

Contributor:
John Herschel Project
From:
Humphrey Lloyd
To:
Sir John Herschel
Date:
[5 June 1865]
Source of text:
RS:HS 11.288
Summary:

Has not seen the paper in the Smithsonian Institution, but believes the author is in error. Has looked at A. L. Cauchy's Dispersion Memoir, but thinks Baden Powell's paper presents a more distinct formula. Hopes to send in a few weeks the first volume of HL's [Observations Made at the Magnetic and Meteorological Observatory at Trinity College, Dublin].

Contributor:
John Herschel Project
From:
Humphrey Lloyd
To:
Sir John Herschel
Date:
[29 July 1865]
Source of text:
RS:HS 11.289
Summary:

Comments that A. J. Fresnel's papers in the Annales de chimie are really incomplete sketches of theories, which he developed later. Theory clearly stated in [Felix] Billet's Traité d'optique physique. Friend of his at Trinity College has produced a peculiar liquid.

Contributor:
John Herschel Project