From:
[John] Lee
To:
Sir John Herschel
Date:
[1 March 1847]
Source of text:
TxU:H/M-0329; Reel 1087
Summary:
Plans to send parcel to observatory at Cape of Good Hope; does JH have anything to include?
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Plans to send parcel to observatory at Cape of Good Hope; does JH have anything to include?
Believes all actinometric measurements made are useless because they did not take into account the rate of expansion of the liquid, which is not constant.