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Herschel, John in correspondent 
1840-1849::1847::04 in date 
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Showing 1–20 of 28 items

Herschel10249

From:
Sir John Herschel
To:
F. A. Herschel Griesbach
Date:
[4 April 1847]
Source of text:
RS:HS 9.135
Summary:

Has signed the certificate, and stated that FG is known to him.

Contributor:
John Herschel Project

Herschel10263

From:
William Robert Grove
To:
Sir John Herschel
Date:
[27 April 1847]
Source of text:
RS:HS 9.148
Summary:

Has received JH's letter from Gassiot and submitted it to the committee dealing with members of the Philosophical Club.

Contributor:
John Herschel Project

Herschel10821

From:
Edward Craven Hawtrey
To:
Sir John Herschel
Date:
[26 April 1847]
Source of text:
RS:HS 10.173
Summary:

Would like some suggestions for books to be awarded for the Maths prize at Eton.

Contributor:
John Herschel Project

Herschel11169

From:
Anne Elise Knipping
To:
Sir John Herschel
Date:
1847-4
Source of text:
RS:HS 11.59
Summary:

Comments on the reports of the birthday celebrations for JH's aunt Caroline.

Contributor:
John Herschel Project

Herschel11202

From:
Marian Koller
To:
Sir John Herschel
Date:
[4 April 1847]
Source of text:
RS:HS 11.91
Summary:

Sending a series of magnetical and meteorological observations made at the observatory. Comments on these.

Contributor:
John Herschel Project

Herschel12178

From:
Georg Merz & Son
To:
Sir John Herschel
Date:
[22 April 1847]
Source of text:
RS:HS 13.36
Summary:

Are preparing an objective for JH, which they expect to send in August.

Contributor:
John Herschel Project

Herschel2185

From:
James Clark Ross
To:
Sir John Herschel
Date:
[30 April 1847]
Source of text:
RS:HS 14.429
Summary:

Wants JH to name the circle of uniform temperature of the ocean near the equator. Explains the circle of uniform temperature.

Contributor:
John Herschel Project

Herschel3281

From:
Sir John Herschel
To:
William Robert Grove
Date:
[22 April 1847]
Source of text:
RI (C: RS:HS 22.314)
Summary:

Asks to be allowed to join the new Philosophical Club on a trial basis [see letter of same date to John P. Gassiot].

Contributor:
John Herschel Project

Herschel3294

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[20 April 1847]
Source of text:
TCD 1493:387
Summary:

On WH's 'Hodograph' and theorems of parabolic motion and the relation between velocities, initial velocities, and time. Praises WH's son. Cape Results nearly finished. Revising book on astronomy. Plans to 'attack' quaternions. Mentions parabolic functions and Benjamin Peirce's claim that the discovery of Neptune was accidental.

Contributor:
John Herschel Project

Herschel3354

From:
William Robert Grove
To:
Sir John Herschel
Date:
[26 April 1847]
Source of text:
RI
Summary:

Announces next meeting of Philosophical Club.

Contributor:
John Herschel Project

Herschel3435

From:
Sir John Herschel
To:
William Robert Grove
Date:
[1847-4-26 or later]
Source of text:
RI
Summary:

Asks time and place of next meeting of Philosophical Club, having received invitation lacking that information.

Contributor:
John Herschel Project

Herschel3519

From:
Sir Charles Shadwell
To:
Sir John Herschel
Date:
[1 April 1847]
Source of text:
RS:HS 17.198
Summary:

Presents 'tables for facilitating the approximate prediction of occultation and eclipses for any particular place,' so that seamen without specialized backgrounds in mathematics can observe and improve hydrography.

Contributor:
John Herschel Project

Herschel3867

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[26 April 1847]
Source of text:
unknown
Summary:

Sends some new theorems concerning undisturbed parabolic motion; believes that much remains to be discovered in this field.

Contributor:
John Herschel Project

Herschel3868

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[1 April 1847]
Source of text:
unknown
Summary:

Sends some results concerning undisturbed parabolic motion. Laments the Irish famine.

Contributor:
John Herschel Project

Herschel4194

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[21 April 1847]
Source of text:
RS:HS 16.296
Summary:

Sends angular results from various astronomers using similar epoches.

Contributor:
John Herschel Project

Herschel4460

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[17 April 1847]
Source of text:
RS:HS 16.295
Summary:

Studies two possible orbits of Gamma Virginis; sends complete descriptions of both, including calculation of the apparent and actual ellipse. The first orbit combines the data of other astronomers.

Contributor:
John Herschel Project

Herschel4524

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[21] April 1847
Source of text:
RS:HS 22.313
Summary:

Skeptical over plan for galvanic illumination of wires. Has not yet seen J. B. Biot article; states he has always held Biot in high regard. Discusses naming of new planet.

Contributor:
John Herschel Project

Herschel5626

From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[3 April 1847]
Source of text:
RS:HS 4.115
Summary:

Is very grateful for his assistance and encloses the page of the report in which he publicly acknowledges this. Further results since the return of the great atmospheric wave of 1845.

Contributor:
John Herschel Project

Herschel6763

From:
William Rutter Dawes
To:
Sir John Herschel
Date:
[12 April 1847]
Source of text:
RS:HS 6.80
Summary:

Is reading JH's book and marvelling at the condensed amount of information it contains. Has been observing some of Wilhelm Struve's more difficult objects. Regarding the double star Antares. Has been testing his telescope for errors and found it accurate.

Contributor:
John Herschel Project

Herschel6764

From:
William Rutter Dawes
To:
Sir John Herschel
Date:
[21 April 1847]
Source of text:
RS:HS 6.81
Summary:

Will be pleased to accept his offer of the glass wedges. Bad weather has upset his observations. Gives some of his recent observations. James Challis doubts the existence of a ring round Neptune. Is not impressed by Capt. W. S. Jacob's observations.

Contributor:
John Herschel Project
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