Search: 1850-1859::1857::05::20 in date 
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Herschel7065

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[20 May 1857]
Source of text:
RS:HS 6.297
Summary:

Returns his cancel, which he found very amusing. Mrs. De Morgan is now at Hampstead suffering from an incurable complaint. Further comments on the beats of musical consonances and Robert Smith's theories.

Contributor:
John Herschel Project
Text Online

FVM-57-05-20b

From:
Ferdinand von Mueller
To:
Eduard Fenzl
Date:
20 May 1857
Source of text:
Eduard Fenzl Nachlass, Archiv der Universität Wien, Vienna
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
Text Online

FVM-57-05-20

From:
Ferdinand von Mueller
To:
William Hooker
Date:
20 May 1857
Source of text:
RBG Kew, Directors' letters, vol. LXXIV, Australia letters 1851-8, letter no.162
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
Text Online

Faraday3292

From:
Michael Faraday
To:
George Biddell Airy
Date:
20 May 1857
Source of text:
RGO 6/471, f.192
Summary:

No summary available.

Contributor:
Faraday Project
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