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Airy, George Biddell in correspondent 
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John Herschel Project in contributor 
1840-1849::1849::03 in date 
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Herschel4826

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 March 1849]
Source of text:
RS:HS 1.215 (C: RGO 6.160.77)
Summary:

Regarding the 'chilled' casting of a telescope.

Contributor:
John Herschel Project

Herschel12

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 March 1849]
Source of text:
RGO 6.160.78
Summary:

Tells GA about the internal counterpoise system in use in some German telescope mountings, and includes a diagram; JH knows nothing about chilling speculum metal [see GA's 1849-3-7].

Contributor:
John Herschel Project

Herschel137

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[28 March 1849]
Source of text:
RGO 6.694.248
Summary:

Asks JH's opinion about GA's plan not to print a separate volume of magnetic and meteorological observations for 1848.

Contributor:
John Herschel Project

Herschel138

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1849]
Source of text:
RGO 6.694.250
Summary:

Some concerns about GA's intent of attaching magnetic and meteorological observations to the R.A.S.'s Astronomical Observations [see GA's 1849-3-28].

Contributor:
John Herschel Project

Herschel335

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1849]
Source of text:
RGO 6.465.26
Summary:

Asks GA if he knows of any rules or pitfalls in calculating time from earlier times [even B.C.] to the present.

Contributor:
John Herschel Project

Herschel139

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1849]
Source of text:
RGO 6.694.251
Summary:

Will reconsider the proposal about printing observations [see JH's 1849-3-29], and get back to JH.

Contributor:
John Herschel Project

Herschel336

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1849]
Source of text:
RGO 6.465.27
Summary:

Has little advice to offer JH about time calculation [see JH's 1849-3-29], except for fairly standard reminders.

Contributor:
John Herschel Project
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