From:
Sir John Herschel
To:
Duncan [Stewart]
Date:
[8 April 1870]
Source of text:
TxU:H/L-0143; Reel 1054
Summary:
Comments on ability of eye to adapt to prismatic glass in corrective spectacles for double vision [see JH's 1869-10-31]. Heard of bad health of DS and John [Stewart]. JH is fighting bronchitis.
Contributor:
John Herschel Project