From:
Sir John Herschel
To:
James Hudson
Date:
[31 August 1829]
Source of text:
WT B.2
Summary:
Asks that JH allow Jacques Babinet to see the experimental equipment given to the R.S.L. by Josef Fraunhofer.
Contributor:
John Herschel Project
Asks that JH allow Jacques Babinet to see the experimental equipment given to the R.S.L. by Josef Fraunhofer.