Search: Herschel, John in correspondent 
1840-1849 in date 
Herschel, John in addressee 
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De Morgan, Augustus in author 
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From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[5 June 1840]
Source of text:
RS:HS 6.184
Summary:

Possible to purchase 12 postage covers for 11d in the Strand. Points out an apparent error in one of JH's books on sound. How does an open pipe vibrate? Regarding the private character of J. L. Lagrange.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[9 February 1841]
Source of text:
RS:HS 6.185
Summary:

Regarding JH's telescope. Includes a rhyme on it.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[10 October 1841]
Source of text:
RS:HS 6.186
Summary:

Points out an error JH has made concerning J. E. Bode's law. What is the proper notation for the satellites?

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[22 November 1842]
Source of text:
RS:HS 6.187
Summary:

Thanks for the gift of the book. Thomas Longman is now the editor of Lardner's Cyclopaedia. Latitude of the pole star incorrect in Charles Knight's publications. Regarding truth.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[30 December 1842]
Source of text:
RS:HS 6.188
Summary:

Thanks for his reductions of Schiller's observations. Many people believe the claims made in the 'Moon Hoax'. Is writing a book on the use of the globes.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 December 1843]
Source of text:
RS:HS 6.189
Summary:

Sending two formulae.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[30 January 1844]
Source of text:
RS:HS 6.190
Summary:

Regarding the workings of Insurance Companies and Benefit Societies. Recommends an actuary. Hopes JH will come down for the Anniversary meeting.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[6 February 1844]
Source of text:
RS:HS 6.191
Summary:

Has just had a tract on Friendly Societies from J. W. Woolgar. Answers some queries regarding the work of such societies.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[10 February 1844]
Source of text:
RS:HS 6.192
Summary:

All the tables in Charles Ansell's work are expressed in decimals. Gives advice on type of insurance for sickness and death. Regarding the true inventor of J. E. Bode's law. Very few at the Anniversary dinner.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
1844-3
Source of text:
RS:HS 6.193
Summary:

Advice on how to start a Friendly Society. Calculated the sun's pull on the Earth.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[8 March 1844]
Source of text:
RS:HS 6.194
Summary:

Is working on tables A and B. Further regarding Charles Ansell's life tables.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[24 March 1844]
Source of text:
RS:HS 6.195
Summary:

Sending more [life] tables. No age 65 in Charles Ansell's tables. Gives further advice on the running and financing of Friendly Societies.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 March 1844]
Source of text:
RS:HS 6.196
Summary:

Further regarding life tables and their workings. Francis Baily has a sheet of his grand catalogue on hand.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 March 1844]
Source of text:
RS:HS 6.197
Summary:

Just dispatched the letter when JH's arrived. Regarding benefit societies and their workings. Will write to J. W. Woolgar.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 March 1844]
Source of text:
RS:HS 6.198
Summary:

Has just received his letter. Further advice on Friendly Societies.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[26 March 1844]
Source of text:
RS:HS 6.199
Summary:

Has already sent him [William?] Tidd's tables as he requested. Regarding the printing by 5th April. Has sent tables to Farley.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[26 March 1844]
Source of text:
RS:HS 6.200
Summary:

Their Tidd Pratt tables crossed. Comments on Charles Ansell's and J. T. Pratt's tables.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[28 March 1844]
Source of text:
RS:HS 6.201
Summary:

Is sending all the tables to the printer tomorrow. Has given tables A and B a heading. J. T. Pratt's table is similar to his own though not accurate in decimals to the pound.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[30 March 1844]
Source of text:
RS:HS 6.202
Summary:

Printer unable to send proof to Richard Farley so JH will not be able to have proof by the 5th. Has requested printer to forward proof to JH.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[8 April 1844]
Source of text:
RS:HS 6.203
Summary:

Hopes Richard Farley's proof was in order. Gives details of steel pens he uses. Picture he sends is by W. H. Smyth. Is moving to new address.

Contributor:
John Herschel Project