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