Search: Maclear, Thomas in addressee 
Herschel, John in correspondent 
1830-1839::1836 in date 
No in transcription-available 
Sorted by:

Showing 21–36 of 36 items

Herschel3923

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[3 March 1836]
Source of text:
unknown
Summary:

Comments concerning Francis Baily's book on John Flamsteed.

Contributor:
John Herschel Project

Herschel3924

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1836-3-5/6
Source of text:
unknown
Summary:

Calculates the location of [Halley's] comet.

Contributor:
John Herschel Project

Herschel3925

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-3-10/11]
Source of text:
unknown
Summary:

Star within 20 seconds of the nucleus of the comet [Halley's].

Contributor:
John Herschel Project

Herschel3926

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[2 April 1836]
Source of text:
unknown
Summary:

Arranges to have tea with TM tomorrow at the Royal Observatory.

Contributor:
John Herschel Project

Herschel3927

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[10 May 1836]
Source of text:
C: RS:HS 21.206 inc
Summary:

Asks TM to accompany himself and Daniel Cloetes in hunting a leopard.

Contributor:
John Herschel Project

Herschel3928

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[24 May 1836]
Source of text:
unknown
Summary:

Does not want to compute precessions for each individual star.

Contributor:
John Herschel Project

Herschel3929

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[19 July 1836]
Source of text:
unknown
Summary:

Notes a discrepancy in TM's latest observations and those of Thomas Brisbane.

Contributor:
John Herschel Project

Herschel3930

From:
Sir John Herschel
To:
Thomas Maclear
Date:
25] July [1836
Source of text:
unknown
Summary:

Congratulates TM on the birth of his son, George.

Contributor:
John Herschel Project

Herschel3931

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[26 August 1836]
Source of text:
unknown
Summary:

Inquires about a star not found in TM's list of comet stars. Believes that their comet collaboration is going well.

Contributor:
John Herschel Project

Herschel3933

From:
Sir John Herschel
To:
Thomas Maclear
Date:
8] September [1836
Source of text:
unknown
Summary:

Discusses their table of comet stars.

Contributor:
John Herschel Project

Herschel3934

From:
Sir John Herschel
To:
Thomas Maclear
Date:
28] September [1836
Source of text:
unknown
Summary:

Wants to reset his barometer by TM's.

Contributor:
John Herschel Project

Herschel3935

From:
Sir John Herschel
To:
Thomas Maclear
Date:
12] October [1836
Source of text:
unknown
Summary:

Compares JH's and TM's barometric readings. Criticizes Pierre Morin's work.

Contributor:
John Herschel Project

Herschel3937

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[17 December 1836]
Source of text:
unknown
Summary:

Setting a unit of measurement for solar radiation (the 'actine'); proposes to 'take for a unit of solar heat that which if all employed in heating a cubic inch of water exposing a horizontal surface of one square inch, to a vertical Sun during one minute would produce a dilation of one thousandth part of its volume.'

Contributor:
John Herschel Project

Herschel3938

From:
Sir John Herschel
To:
Thomas Maclear
Date:
20] December [1836
Source of text:
unknown
Summary:

Testing whether an actinometer with a glass back is more accurate than one without.

Contributor:
John Herschel Project

Herschel4008

From:
Sir John Herschel
To:
Thomas Maclear
Date:
4] June [1836
Source of text:
unknown
Summary:

Thanks TM for restoring JH's micrometer.

Contributor:
John Herschel Project

Herschel4009

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-7?]
Source of text:
unknown
Summary:

Believes that JH and TM can compile a better comet catalog together than they could separately.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available