Search: Herschel, John in correspondent 
Maclear, Thomas in addressee 
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Showing 21–40 of 161 items

Herschel12097

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[7 February 1835]
Source of text:
RS:HS 21.171
Summary:

Additional approaches to resolving TM's mural circle problem [see JH's 1835-2-5].

Contributor:
John Herschel Project

Herschel12098

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[23 February 1835]
Source of text:
RS:HS 21.172
Summary:

More on the mural circle [see JH's 1835-2-7].

Contributor:
John Herschel Project

Herschel3904

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[3 March 1835]
Source of text:
unknown
Summary:

Found two planetary nebulae not listed in any catalog; hopes to show them to JH tonight.

Contributor:
John Herschel Project

Herschel3905

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-3-7 or 8]
Source of text:
unknown
Summary:

Apologizes for his erroneous reduction. Thanks TM for his list of 'Zenith points.'

Contributor:
John Herschel Project

Herschel11698

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-3-8 or 9]
Source of text:
RS:HS 21.168
Summary:

Reports on location of a planetary nebula. Expresses thanks for book by [Robert] Woodhouse.

Contributor:
John Herschel Project

Herschel12099

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[16 March 1835]
Source of text:
RS:HS 21.173
Summary:

Some comments about constant error in TM's observations.

Contributor:
John Herschel Project

Herschel12100

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[14 April 1835]
Source of text:
RS:HS 21.174
Summary:

About the difficulty of measuring high and low tide with the instruments available to TM; offers the design of an instrument that would measure the mid-point between high and low tides.

Contributor:
John Herschel Project

Herschel12101

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[29 May 1835]
Source of text:
RS:HS 21.176
Summary:

Excited about JH's observations, and has shown them to several people.

Contributor:
John Herschel Project

Herschel3906

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[11 June 1835]
Source of text:
unknown
Summary:

William Whewell asked JH to compare their June tidal observations with those of the British Admiralty; JH will urge John Deas Thompson to be extra precise in his findings.

Contributor:
John Herschel Project

Herschel3789

From:
Sir John Herschel
To:
Thomas Maclear
Date:
25] June [1835
Source of text:
unknown
Summary:

Made a 'mess' of the tidal observation and meteorological observations that he took earlier in the week.

Contributor:
John Herschel Project

Herschel3909

From:
Sir John Herschel
To:
Thomas Maclear
Date:
25] June [1835
Source of text:
unknown
Summary:

Attempting to correct the faulty tidal and meteorological observations that JH made earlier in the week.

Contributor:
John Herschel Project

Herschel11706

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-7]
Source of text:
RS:HS 21.192
Summary:

Has interpolated the hourly tidal observations for Simon's Bay.

Contributor:
John Herschel Project

Herschel3910

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[5 July 1835]
Source of text:
unknown
Summary:

Busy interpolating the Simon's Bay tidal series; JH then intends to study Table Bay and to compare the results. Asked William Whewell to back an application to the British Admiralty for a tide clock to be erected at Simon's Bay as a permanent tide station.

Contributor:
John Herschel Project

Herschel12102

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[8 July 1835]
Source of text:
RS:HS 21.180
Summary:

Sends TM some tide observations, and some calculations done on them.

Contributor:
John Herschel Project

Herschel3911

From:
Sir John Herschel
To:
Thomas Maclear
Date:
26] July [1835
Source of text:
unknown
Summary:

Describes his comparison of the tidal series at Simon's Bay and Table Bay. Sending his barometer to TM.

Contributor:
John Herschel Project

Herschel11711

From:
Sir John Herschel
To:
Thomas Maclear
Date:
15] August [1835
Source of text:
RS:HS 21.167
Summary:

Reports having read the record JH sent of [tidal] observations and comments on it.

Contributor:
John Herschel Project

Herschel12103

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1] September [1835
Source of text:
RS:HS 21.183
Summary:

Believes that TM is the first to see the return of Halley's Comet [see TM's 1835-9-1].

Contributor:
John Herschel Project

Herschel12105

From:
Sir John Herschel
To:
Thomas Maclear
Date:
13] September [1835
Source of text:
RS:HS 21.185
Summary:

Sends information about where to look for Encke's comet.

Contributor:
John Herschel Project

Herschel12106

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-9-20 or 21]
Source of text:
RS:HS 21.186
Summary:

Has not had any success in finding comets.

Contributor:
John Herschel Project

Herschel12108

From:
Sir John Herschel
To:
Thomas Maclear
Date:
22] September [1835
Source of text:
RS:HS 21.190
Summary:

JH is chagrined to note that he forgot to observe the equinox, after having impressed on any and all the need to do so.

Contributor:
John Herschel Project
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