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From:
Alexander Rogers
To:
Sir John Herschel
Date:
[25 March 1809]
Source of text:
RS:HS 14.392
Summary:

Discusses problem of the ellipse and offers a method of solving it. States the proper boundary of a front mirror is too difficult to ascertain. Still having problems with teaching.

Contributor:
John Herschel Project
Document type
Transcription available