Search: Herschel, John in correspondent 
De Morgan, Augustus in addressee 
1860-1869::1864 in date 
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Showing 1–7 of 7 items

Herschel7161

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[21 April 1864]
Source of text:
RS:HS 24.40
Summary:

Comments on metrification.

Contributor:
John Herschel Project

Herschel7163

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[3 May 1864]
Source of text:
RS:HS 24.43
Summary:

Comments on some mathematical problems; asks if AD knows about a German geometer by the name of [Bernhard] Riemann; suggests some new names for trigonometry.

Contributor:
John Herschel Project

Herschel7164

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[4 May 1864]
Source of text:
RS:HS 24.44
Summary:

Comments on health of family, and on parliament considering a bill to change weights and measures.

Contributor:
John Herschel Project

Herschel7165

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[14 July 1864]
Source of text:
RS:HS 24.52
Summary:

Comments on the state of JH's health; about ciphers and about decimalization.

Contributor:
John Herschel Project

Herschel7167

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[18 July 1864]
Source of text:
RS:HS 24.53
Summary:

Comments on remedies suggested by AD [see AD's 1864-7-15]; on ciphers.

Contributor:
John Herschel Project

Herschel7170

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[19 August 1864]
Source of text:
RS:HS 24.57
Summary:

Comments on minting of coins [see AD's 1864-8-18], the state of JH's health, and the need for an elocution teacher for one of JH's sons.

Contributor:
John Herschel Project

Herschel7173

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[15 September 1864]
Source of text:
RS:HS 24.60
Summary:

On algebraic signs, riddles, and the state of JH's health.

Contributor:
John Herschel Project
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