From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 October 1863]
Source of text:
RS:HS 1.261
Summary:
Concerning the 'Standards.'
Contributor:
John Herschel Project
Concerning the 'Standards.'
Regarding A. R. Clarke's paper on Geodesy. Benjamin Peirce's Lunar Table. The sun's parallax. JH's nebulae catalogue. Regarding the English inch.
Regarding employment for GA's son in the Educational Departments in India.
Is still not happy with the earth's axis as a source of standard length; sends JH the results of A. R. Clarke's calculations on the figure of the earth [see JH's 1863-10-8].