From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[31 August 1851]
Source of text:
JHS 6.22
Summary:
Most of the letter is taken up in replying to MH's letters; JH talks about Charles Wheatstone's idea of 'binocular Daguerreotypes,' and about a chart of all balloon ascents, prepared in Paris, and brought to JH by a friend coming from there.
Contributor:
John Herschel Project