From:
James Prescott Joule
To:
Sir John Herschel
Date:
[29 October 1846]
Source of text:
RS:HS 10.428
Summary:
Has been carrying out a series of experiments with spiders immersed in acids and finds their bodies are not protected in any way. Has also been experimenting with elastic tissues to see if there is a change of temperature.
Contributor:
John Herschel Project