From:
Sir John Herschel
To:
Joseph Whitworth
Date:
[27 September 1862]
Source of text:
RS:HS 18.403 (C: 23:387)
Summary:
Quotes report of limitations in JW's new artillery shell for penetrating ironclad vessels. Recounts JH's [Apr. 1836] experiments at Cape of Good Hope to increase explosive power of gunpowder by adding [Luke] Howard's fulminating mercury.
Contributor:
John Herschel Project