Search: Herschel, John in correspondent 
De Morgan, Augustus in correspondent 
1850-1859::1853 in date 
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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

Herschel7016

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 March 1853]
Source of text:
RS:HS 6.263
Summary:

The book on the coinage of England in the 1670s is by one William Jeake. Comments on the diversity of coins available at that date and how their values changed by proclamation. Should the present coinage be decimalized he hopes the half crown will be withdrawn.

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

Herschel7018

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[3 August 1853]
Source of text:
RS:HS 6.264
Summary:

Has he heard the names of the coins decided on by the Commons when the Pound is decimalized? W. R. Hamilton has informed him that he has heard from JH. Is going to the seaside tomorrow.

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

Herschel7020

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[10 August 1853]
Source of text:
RS:HS 6.265
Summary:

Intends to send on Francis Baily's letters soon. Would like to see the coinage report.

Contributor:
John Herschel Project

Herschel7021

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[30 August 1853]
Source of text:
RS:HS 6.266
Summary:

Is sending the packet of Francis Baily's letters today. Sees that Thomas Wright, the Milky Way man, kept a shop in Fleet St. and was a mathematical instrument maker. Warren de La Rue has doubtless sent him his picture of Saturn.

Contributor:
John Herschel Project

Herschel7022

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[17 October 1853]
Source of text:
RS:HS 6.267
Summary:

Has found a seventeenth-century mathematical manuscript amongst Francis Baily's papers with JH's handwriting on it; can he explain the mystery? There is also a letter from P. L. M. Maupertius to James Bradley, which he proposes sending to the R.S.L.

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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