Search: John Herschel in collection 
1840-1849::1840::07 in date 
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Herschel7324

From:
John William Draper
To:
Sir John Herschel
Date:
[28 July 1840]
Source of text:
RS:HS 6.501
Summary:

Sending a heliographic portrait taken from life. Comments on his methods.

Contributor:
John Herschel Project

Herschel7760

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 July 1840]
Source of text:
RAS:JH Archive 14/3.9.11 verso; Reel 11 (ACCS: RGO 6.368.638)
Summary:

Copies of report are available if JH's friends on Board [of Visitors] want to see it. R.S.L. selected GA's polarity paper for Bakerian Lectures. Thanks for JH's influence.

Contributor:
John Herschel Project

Herschel8274

From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[18 July 1840]
Source of text:
RS:HS 19.81
Summary:

L. A. J. Quetelet's observations follow centigrade thermometer and French meter. Latitude and longitude for five sites. Three sites are unknown to JH. Hopes WB completes [reduction of barometer observations] before B.A.A.S. meeting.

Contributor:
John Herschel Project

Herschel8275

From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[24 July 1840]
Source of text:
RS:HS 19.82
Summary:

Advice on how to project barometric observations onto curves.

Contributor:
John Herschel Project
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