From:
Annibal de Gasparis
To:
Sir John Herschel
Date:
[26 May 1851]
Source of text:
RS:HS 8.44
Summary:
Announcing his discovery of another new planet. Gives readings.
Contributor:
John Herschel Project
Announcing his discovery of another new planet. Gives readings.
Has purchased a pendulum from London and would like JH's permission to suspend it in his barn. Was not entirely satisfied with the experiment at the Polytechnic.
Silver was purchased for Mint on basis of [P. N.] Johnson's assay. Such purchases usually require assay by Henry Bingley. Records show that Bingley entered Mint in 1820.