From:
Thomas Maclear
To:
Sir John Herschel
Date:
11] March [1836
Source of text:
RS:HS 12.238
Summary:
Encloses the list in JH's own handwriting. Has placed two silver wires in the eye piece of the micrometer. Will JH secure him some cobweb for placing in the micrometer.
Contributor:
John Herschel Project