Search: Herschel, John in correspondent 
Warner, Thomas in correspondent 
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From:
Sir John Herschel
To:
Thomas Warner
Date:
[7 July 1869]
Source of text:
'Preface to Improved Edition' of Thomas Warner, How To Keep the Clock Right (187
Summary:

Received TW's book and approves simplicity and economy of its method of keeping time by using small fixed telescope to reduce star observations. Disapproves of using 'Dominical Letters.' Suggests using Julian dates.

Contributor:
John Herschel Project
From:
Thomas Warner
To:
Sir John Herschel
Date:
[1869-7-7 or earlier
Source of text:
RS:HS 18.91
Summary:

Please review TW's enclosed new book on civil time-keeping: How to Keep the Clock Right. [JH annotation: Answered 7 July.]

Contributor:
John Herschel Project
From:
Thomas Warner
To:
Sir John Herschel
Date:
[22 August 1869]
Source of text:
RS:HS 18.89
Summary:

Requests permission to print JH's response approving of fixed-telescope system for time-keeping set out in TW's new book on civil time-keeping, How to Keep the Clock Right.

Contributor:
John Herschel Project
From:
Thomas Warner
To:
Sir John Herschel
Date:
[3 October 1869]
Source of text:
RS:HS 18.90
Summary:

Sends proof sheet of JH's approval letter before it goes to printer.

Contributor:
John Herschel Project