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De Morgan, Augustus in addressee 
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Herschel7023

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1853
Source of text:
RS:HS 23.131
Summary:

JH looking for some writings by Isaac Newton while at the Mint, but most of that seems to have vanished.

Contributor:
John Herschel Project

Herschel7017

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[11 April 1853]
Source of text:
RS:HS 23.130
Summary:

Asks for the experience of other countries in introducing decimal coinage.

Contributor:
John Herschel Project

Herschel7019

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[9 August 1853]
Source of text:
RS:HS 23.138
Summary:

Thanks for AD's report on coinage [see JH's 1853-4-11], and for AD's puns.

Contributor:
John Herschel Project

Herschel7778

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[28 October 1853]
Source of text:
RAS: MSS Add.119
Summary:

JH's copy of Apollonius's work on conic sections was given to Francis Baily. [P. L. M. de] Maupertuis's letter to [James] Bradley is 'real prize.' Comment on AD's puns. Finds W. R. Hamilton's Quaternions 'horribly metaphysical.'

Contributor:
John Herschel Project
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