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Dollond, George in addressee 
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From:
Sir John Herschel
To:
George Dollond
Date:
[1 February 1823]
Source of text:
RS:HS 20.160
Summary:

Sends some calculations relating to the construction of lenses.

Contributor:
John Herschel Project
Text Online
From:
Michael Faraday
To:
George Dollond
Date:
28 June 1828
Source of text:
RI MS F1 N/1/48
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
George Dollond
Date:
27 December 1828
Source of text:
John Rylands University Library of Manchester, Ryl. Eng. MS. 376/646b
Summary:

No summary available.

Contributor:
Faraday Project
From:
Sir John Herschel
To:
George Dollond
Date:
[15 December 1842]
Source of text:
TxU:H/L-0137; Reel 1054
Summary:

Sends description and drawings of JH's actinoscope. Requests estimate for time and expense of constructing it. Questions about clock mechanism and prisms.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Dollond
Date:
[25 December 1842]
Source of text:
TxU:H/L-0138; Reel 1054
Summary:

Regrets that GD cannot build JH's entire actinoscope. If GD can make at least mechanical components, JH will supply optics and clockwork. Can GD complete these [by end of March]? Funds are limited; please estimate cost.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Dollond
Date:
[29 December 1842]
Source of text:
TxU:H/L-0139; Reel 1054
Summary:

Confirms scale of drawings [for JH's actinoscope]. Has found simple contrivance to replace clockwork. Will order lenses and prisms from Munich; all English glass has color aberrations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Dollond
Date:
[4 January 1843]
Source of text:
TxU:H/L-0140; Reel 1054
Summary:

Approves GD's modification of driving wheel [for JH's actinoscope]. But GD's cost estimate exceeds total R.S.L. grant of £100. JH cannot approve more than £70; must have funds left for optics and clockwork mechanism.

Contributor:
John Herschel Project