Search: Herschel, John in correspondent 
McLennan, John F. in correspondent 
1860-1869::1866 in date 
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From:
John F. McLennan
To:
Sir John Herschel
Date:
[6 November 1866]
Source of text:
RS:HS 12.253
Summary:

Sends four sheets of his Memoir of Thomas Drummond and would be pleased if JH would look over them and correct any errors. Miss Elizabeth Drummond continues an invalid. Is also sending the proof sheets to Sir T. A. Larcom.

Contributor:
John Herschel Project
From:
John F. McLennan
To:
Sir John Herschel
Date:
[16 November 1866]
Source of text:
RS:HS 12.254
Summary:

Many thanks for his prompt attention to the proof sheets; sends some more. Miss Elizabeth Drummond is gratified by JH's interest.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John F. McLennan
Date:
[18 November 1866]
Source of text:
RS:HS 12.255 & 24.176
Summary:

Regarding the inventor of the compensation bars. Would not attribute their invention to Thomas Drummond in the light of J. E. Portlock's evidence. Thanks for the paper on ancient Greek kinship.

Contributor:
John Herschel Project
From:
John F. McLennan
To:
Sir John Herschel
Date:
[20 November 1866]
Source of text:
RS:HS 12.256
Summary:

Was not prepared for the facts regarding the invention of the compensation bars as expressed in JH's letter. Will investigate the various claimants further.

Contributor:
John Herschel Project
From:
John F. McLennan
To:
Sir John Herschel
Date:
[1 December 1866]
Source of text:
RS:HS 12.257
Summary:

Sends proof sheet on the mathematics of representation. Intends to print in full JH's letter to Mrs. Drummond. Has not yet received information regarding the measuring bars as T. A. Larcom is busy.

Contributor:
John Herschel Project
From:
John F. McLennan
To:
Sir John Herschel
Date:
[13 December 1866]
Source of text:
RS:HS 12.258
Summary:

Sends the last sheet of the Memoir that will be necessary for JH to see. Sheets on the measuring bars are held in abeyance.

Contributor:
John Herschel Project