From:
John Bullar
To:
Sir John Herschel
Date:
[22 September 1859]
Source of text:
TxU:H/M-0922; Reel 1083
Summary:
Shares JB's experiences with visual abnormalities similar to those described in JH's 'Sensorial Vision' (1858). Encloses copy of related subject that JB found in Section 45 of John Locke's 'On the Conduct of the Understanding.'
Contributor:
John Herschel Project