From:
Frederick Behrens
To:
Charles Robert Darwin
Date:
3 Dec 1868
Source of text:
DAR 160: 122
Summary:
Requests autograph.
Contributor:
Darwin Correspondence Project
From:
Charles Sterry
To:
Sir John Herschel
Date:
[3 December 1868]
Source of text:
TxU:H/M-0274; Reel 1087
Summary:
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.
Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
3 December [1868]
Source of text:
RS:HS 17.412 (C: RI 555)
Summary:
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.
Contributor:
John Herschel Project