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1820-1829::1826::03 in date 
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From:
Giuseppe Piazzi
To:
Sir John Herschel
Date:
[1 March 1826]
Source of text:
RS:HS 13.396
Summary:

Asks for JH's assistance in the acquiring of some astronomical equipment.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[2 March 1826]
Source of text:
RS:HS 3.63
Summary:

Thanks for the loan of his paper on the parallax. Regarding Wilhelm Struve's paper.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[2 March 1826]
Source of text:
RS:HS 7.84
Summary:

Berlin Academy plans a new Astronomical Chart. Thanks for JH's work on the double stars. Will see he has changed his address.

Contributor:
John Herschel Project
From:
Mario Gemmellaro
To:
Sir John Herschel
Date:
[6 March 1826]
Source of text:
RS:HS 8.93
Summary:

Has heard nothing from JH since he left the island. Would like to hear regarding the height of Etna and the latest comet.

Contributor:
John Herschel Project
From:
Maria Edgeworth
To:
Sir John Herschel
Date:
[8 March 1826]
Source of text:
RS:HS 7.22
Summary:

Hopes that JH will visit Ireland and if he does that he will visit them. David Brewster also intends visiting Ireland.

Contributor:
John Herschel Project
From:
Erasmus Alvey Darwin
To:
Charles Robert Darwin
Date:
[9 Mar 1826]
Source of text:
DAR 204: 14
Summary:

Describes his trip by canal to Glasgow, and sightseeing there.

Contributor:
Darwin Correspondence Project
From:
Erasmus Alvey Darwin
To:
Charles Robert Darwin
Date:
[9 Mar 1826]
Source of text:
DAR 204: 15
Summary:

Found his vessel delayed. Spent an hour or so at the Hunterian Museum, "well worth going to".

Contributor:
Darwin Correspondence Project
From:
Marianne Darwin; Marianne Parker
To:
Charles Robert Darwin
Date:
[c. 13 Mar 1826]
Source of text:
DAR 204: 27
Summary:

Further particulars of Spark’s death.

Contributor:
Darwin Correspondence Project
From:
William Samuel Stratford
To:
Sir John Herschel
Date:
[13 March 1826]
Source of text:
RS:HS 17.80
Summary:

JH will be presented with the Gold Medal of the Astronomical Society of London.

Contributor:
John Herschel Project
From:
Henry C M Cox
To:
Nathaniel Wallich
Date:
17 Mar 1826
Source of text:
GB-110/JES/COR/21/69, The Linnean Society of London
Summary:

Encloses dried specimens of the rye; when in flower will make magnified drawing of the corolla. The garden more ordered now though unsure how long they will remain here. Asks for the name of the "Malay Tree" which distills a "pure liquid like water" when the branches are cut. Seeds damaged by the rains. Cuttings from his plant of 'Neicum grandiflosum' thrive well.

Contributor:
The Linnean Society of London
From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[18 March 1826]
Source of text:
RS:HS 1.337
Summary:

Further regarding parcels of books sent to G. S. G. Santini of Padova. Details and comments on telescopes used for observations.

Contributor:
John Herschel Project
From:
John Brinkley
To:
Sir John Herschel
Date:
[18 March 1826]
Source of text:
RS:HS 4.280
Summary:

Thanks for his valuable communications. His theory regarding the method of determining the difference of parallax is ingenious. Regarding the difference in observations of certain stars between Dublin and Greenwich. Returns G. A. A. Plana's letter and comments on this. Has not yet printed his paper on fixed stars.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Maria Edgeworth
Date:
[18 March 1826]
Source of text:
RS:HS 20.230
Summary:

Thanks for ME's letter; JH hopes to see her in Ireland in summer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Henry Kater
Date:
[21 March 1826]
Source of text:
RS:HS 20.231
Summary:

Asks for the use of an invariable pendulum and a clock from the Board of Longitude so that G. B. Airy and William Whewell can carry out experiments to measure the change in gravity and the mean density of the earth, in a Yorkshire coal mine.

Contributor:
John Herschel Project
From:
Caroline Sarah (Caroline) Darwin; Caroline Sarah (Caroline) Wedgwood
To:
Charles Robert Darwin
Date:
[22 Mar 1826]
Source of text:
DAR 204: 20
Summary:

Tells of gay times with guests.

Contributor:
Darwin Correspondence Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[24 March 1826]
Source of text:
RS:HS 17.260
Summary:

Describes observations made as he travelled and people visited on journey from London to Ancona.

Contributor:
John Herschel Project
From:
Henry Kater
To:
Sir John Herschel
Date:
[25 March 1826]
Source of text:
RS:HS 11.9
Summary:

Has been waiting for a letter from Basil Hall regarding the availability of his pendulums, but has heard nothing. Surprised at the error in William Lambton's calculations. What does he think of the method of finding the figure of the earth by measuring the parallax of the moon? Is writing in bed. Has been polishing a mirror for T. J. Hussey.

Contributor:
John Herschel Project
From:
Susan Elizabeth Darwin
To:
Charles Robert Darwin
Date:
[27 Mar 1826]
Source of text:
DAR 204: 25
Summary:

Writes of Papa’s disapproval of CD’s practice of picking and choosing only lectures he likes to attend and of his early return home.

News of Erasmus, who is visiting sick poor people in the neighbourhood. Other Shrewsbury news.

Contributor:
Darwin Correspondence Project
From:
Heinrich Christian Schumacher
To:
Sir John Herschel
Date:
[30 March 1826]
Source of text:
RS:HS 15.373
Summary:

Announces a new step to all astronomers toward understanding the solar system due to work of [Thomas] Clausen of the Altona observatory. Clausen recognized that the comet discovered by Biela was the same as that of 1805 and 1772. HS gives details of circumstances.

Contributor:
John Herschel Project
From:
Davies Gilbert
To:
Sir John Herschel
Date:
[31 March 1826]
Source of text:
RS:HS 8.109
Summary:

Has been transcribing his paper on suspensions. Comments on this and hopes it will be received by the council. Would like to know if his paper has been received.

Contributor:
John Herschel Project