Search: Herschel, John in correspondent 
Birt, William Radcliffe in correspondent 
John Herschel Project in contributor 
letter in document-type 
1840-1849::1843::07 in date 
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From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[20 July 1843]
Source of text:
RS:HS 4.102
Summary:

Since he forwarded the parcel he has changed his address.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[21 July 1843]
Source of text:
RS:HS 19.104
Summary:

Yesterday's letter was mistakenly sent to WB's former address. Sends copy.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[28 July 1843]
Source of text:
RS:HS 19.106 (C: 19.105, 22.166, & 22.167)
Summary:

JH's theory of barometric waves. Comparison with ocean tides. Non-trade winds follow laws of periodicity and are predictable, accounting for previously unexplained phenomena. Attributes rotating storms to interference of two or more wave trains. Will propose WB as director of new B.A.A.S. project to discover laws of weather behavior. Sends payment for WB's expenses. Never saw anything more beautiful than WB's 'Symmetrical Barometric Curve.'

Contributor:
John Herschel Project