From:
Sir John Herschel
To:
William Stanley Jevons
Date:
[1856 or later?]
Source of text:
RS:HS 25.14.16
Summary:
Not aware of any experiments to ascertain the amount of personal error in the estimate of time of a star transit. JH then comments on monetary matters including the value and gold equivalence of sovereigns issued by the Mint.
Contributor:
John Herschel Project