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Herschel, John in addressee 
1860-1869::1864::07 in date 
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Herschel12468

From:
Francis Cranmer Penrose
To:
Sir John Herschel
Date:
1864-7
Source of text:
RS:HS 13.334
Summary:

Is sending JH a paper on standardization of measurement, using decimalization but not the meter.

Contributor:
John Herschel Project

Herschel4414

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[2 July 1864]
Source of text:
RS:HS 16.321
Summary:

Studies sidereal chromatics. Asks if William Herschel recorded colors of Beta Cygni in a 1779 observation.

Contributor:
John Herschel Project

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

Herschel10278

From:
James Haig
To:
Sir John Herschel
Date:
[4 July 1864]
Source of text:
RS:HS 9.161
Summary:

Thanks for his letter and amusing pamphlet on atoms. Comments on their use of certain terms. Does not think their views differ radically. Thinks heat is a form of movement.

Contributor:
John Herschel Project

Herschel4372

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[6 July 1864]
Source of text:
RS:HS 16.322
Summary:

Questions dates in William Herschel's observations. Wishes JH luck on completing translation of Iliad.

Contributor:
John Herschel Project

Herschel4129

From:
Isaac Todhunter
To:
Sir John Herschel
Date:
[11 July 1864]
Source of text:
RS:HS 17.354
Summary:

Asks again about Wilhelm Struve calculation in Outlines Astr.

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

Herschel12153

From:
Harry W. Maclear
To:
Sir John Herschel
Date:
12 July [1864]
Source of text:
RS:HS 13.10
Summary:

Much obliged for JH applying to the Horse Guards on HM's behalf. Has now received his appointment to the 28th Regiment.

Contributor:
John Herschel Project

Herschel7166

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[15 July 1864]
Source of text:
RS:HS 6.370
Summary:

Does not like the sound of the bronchitis. Gives a remedy that he found effective. Gives one of his own ciphers.

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

Herschel11810

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[20 July 1864]
Source of text:
RS:HS 12.170
Summary:

The [Samuel] Parlby case is a hard one. Has put JH's letter and enclosures into the hands of Reid [TM's son-in-law]. Will arrange for the case to be brought before the Governor. Arrangements are being made to erect a statue of Sir George Grey in the Botanic Garden in front of the new library and museum. Is proud of his own sailor son [John Maclear].

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

Herschel4592

From:
Isaac Todhunter
To:
Sir John Herschel
Date:
[21 July 1864]
Source of text:
RS:HS 17.355
Summary:

Thanks JH for looking into the Wilhelm Struve probability calculation; makes note of the change in his work.

Contributor:
John Herschel Project

Herschel7292

From:
W[illiam] A[rthur] Darby
To:
Sir John Herschel
Date:
[22 July 1864]
Source of text:
RS:HS 6.471
Summary:

Sending a specimen of a list of celestial objects which he is in process of publishing. Would like his comments.

Contributor:
John Herschel Project

Herschel11273

From:
William Lassell
To:
Sir John Herschel
Date:
[23 July 1864]
Source of text:
RS:HS 11.166
Summary:

Was grateful for a copy of the proof sheets of JH's forthcoming 'Catalogue of Nebulae.' Comments on the Colonial book post. May discover a few hundred new nebulae but they are faint. Regrets to learn that JH's health is not good. Temperature has been very warm.

Contributor:
John Herschel Project

Herschel7168

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[24 July 1864]
Source of text:
RS:HS 6.371
Summary:

Has been in a state of collapse all day, but a dose of '02H' has worked wonders. Gives anecdotes of Diogenes and Plato.

Contributor:
John Herschel Project

Herschel10824

From:
William E. Hearn
To:
Sir John Herschel
Date:
[25 July 1864]
Source of text:
RS:HS 10.176
Summary:

Thanks for his letter acknowledging Plutology and for the proof of the article in which JH refers to it. Authorship is difficult in these parts away from the proper books. Gives reasons why he chose the particular title and spelling.

Contributor:
John Herschel Project

Herschel6801

From:
William Rutter Dawes
To:
Sir John Herschel
Date:
[25 July 1864]
Source of text:
RS:HS 6.118
Summary:

A long letter dealing with the reports of various observers of James Nasmyth's 'Willow leaves' on the sun.

Contributor:
John Herschel Project
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