Search: Herschel, John in correspondent 
de La Rue, Warren in correspondent 
1860-1869::1864::07 in date 
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Herschel6847

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[3 July 1864]
Source of text:
RS:HS 6.155
Summary:

Appreciates the difference between Robert Hooke's and JH's suggestions for a helioscopic telescope. Comments on these suggestions. Has recently constructed a reflecting prism. Comments on this.

Contributor:
John Herschel Project

Herschel6848

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[11 July 1864]
Source of text:
RS:HS 6.156
Summary:

Was not the person who sent him some photographs of the sun. Was glad the Astronomical Soiree was well spoken of. James Nasmyth was conspicuous and is pleased he was mentioned in JH's Outlines Astr.

Contributor:
John Herschel Project

Herschel6849

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[18 July 1864]
Source of text:
RS:HS 6.157
Summary:

Encloses a letter from William Simms, which contains a suggestion for JH's reflecting prism. Inclines to the view that a reflector is not the most suitable instrument for sun observations.

Contributor:
John Herschel Project

Herschel6850

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[20 July 1864]
Source of text:
RS:HS 6.158
Summary:

Sending the tracing again with a few additions. Comments on this and the one sent yesterday.

Contributor:
John Herschel Project
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