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[Stewart], Duncan in addressee 
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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
From:
Sir John Herschel
To:
Duncan [Stewart]
Date:
[23 April 1870]
Source of text:
TxU:H/L-0144; Reel 1054
Summary:

No permanent optical solution to DS's double vision. Remarks on description by DS's son of cavalry duty in Ireland and Canada.

Contributor:
John Herschel Project