Search: Herschel, John in correspondent 
Herschel, Margaret Brodie in correspondent 
John Herschel Project in contributor 
1840-1849::1841::01 in date 
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From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
1841
Source of text:
TxU:H/L-0539; Reel 1053
Summary:

JH is captivated by science of photography. Has blundered onto 'Calotype leaving out [W. H. F.] Talbot's principal ingredient!!' [Note added by daughter Isabella Herschel:] Papa is in hurry. Greetings to family.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[1841]
Source of text:
JHS 3.21d
Summary:

Compliments MH on her poetry; JH is trying to clarify when various friends are to visit Collingwood.

Contributor:
John Herschel Project