From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 November 1826]
Source of text:
RGO 6.803.11
Summary:
Comments on a paper on achromatic eyeglasses submitted by GA to the R.S.L.; also on a paper of William Whewell's on the operation of a pendulum.
Contributor:
John Herschel Project