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Barlow, Peter in correspondent 
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From:
Peter Barlow
To:
Sir John Herschel
Date:
[16 June 1823]
Source of text:
RS:HS 3.286
Summary:

Is sending him the second edition of his book on magnetic attractions. Comments on the views put forth in this work.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[20 December 1824]
Source of text:
RS:HS 3.287
Summary:

Regarding the magnetic polarity of the earth.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[16 February 1825]
Source of text:
RS:HS 3.288
Summary:

Regarding his own experiments with revolving balls.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[28 July 1827]
Source of text:
RS:HS 3.289
Summary:

Has completed one of his telescopes. Sends a paper which he hopes JH will accept.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[29 January 1828]
Source of text:
RS:HS 3.290
Summary:

Regarding his own forthcoming experiments with his telescopes.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[4 February 1828]
Source of text:
RS:HS 3.291
Summary:

Regarding his own experiments with light.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[14 March 1830]
Source of text:
RS:HS 3.292
Summary:

Plan for the comparison of the strengths of variously sized telescopes.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[22 March 1830]
Source of text:
RS:HS 3.293
Summary:

Outlining his scheme for the comparison of the strengths of various telescopes, which JH seems to have misunderstood.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Peter Barlow
Date:
[31 March 1830]
Source of text:
RS:HS 21.65
Summary:

Not interested in any contest of telescopes; will view objects desired by PB as they fit with JH's observational plans.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[5 April 1830]
Source of text:
RS:HS 3.294
Summary:

Further regarding his projected comparison of telescopes. Did not realize that JH was still working on double stars.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Peter Barlow
Date:
[8 May 1830]
Source of text:
RS:HS 3.295 & 21.69
Summary:

Sending a list of the stars to be observed to test the strength of his telescope.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[24 August 1830]
Source of text:
RS:HS 3.296
Summary:

Has examined the stars listed by JH with his telescope and gives the results of his observations.

Contributor:
John Herschel Project