From:
Frederick Behrens
To:
Charles Robert Darwin
Date:
3 Dec 1868
Source of text:
DAR 160: 122
Summary:
Requests autograph.
Contributor:
Darwin Correspondence Project
Requests autograph.
Disappointed that Benjamin Disraeli's secretary, Charles Fremantle, was appointed to vacancy left at Mint by death of William H. Barton. Thanks for JH's efforts on CS's behalf.
Continues experiments with carbonic acid and electric light [see JT's 1868-11-30], suggesting possible cause of blue cloud color and eventual whitening of light.