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Levick, Frederick in correspondent 
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From:
Frederick Levick
To:
Sir John Herschel
Date:
[4 June 1866]
Source of text:
RS:HS 11.477
Summary:

Has seen JH's letter regarding the use of compressed air for working machinery in deep mines. Encloses two papers on the subject by one of his sons. Comments on the use FL has made of compressed air in his mines.

Contributor:
John Herschel Project
Document type
Transcription available