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Penrose, Francis Cranmer in correspondent 
Herschel, John in addressee 
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From:
Francis Cranmer Penrose
To:
Sir John Herschel
Date:
1864-7
Source of text:
RS:HS 13.334
Summary:

Is sending JH a paper on standardization of measurement, using decimalization but not the meter.

Contributor:
John Herschel Project
From:
Francis Cranmer Penrose
To:
Sir John Herschel
Date:
[26 July 1869]
Source of text:
RS:HS 13.336
Summary:

A note to accompany a paper by FP on the prediction of occultations and eclipses.

Contributor:
John Herschel Project
Document type
Transcription available