From:
Sir John Herschel
To:
Thomas Maclear
Date:
15] December [1835
Source of text:
unknown
Summary:
Asks TM to come over and to select the trees for the Time Ball.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Asks TM to come over and to select the trees for the Time Ball.
Captain [F. W.?] Grey has just been to the Observatory as he wished to ascertain the error of his chronometers. Outlines the signalling devices adopted. Fine definition last evening. Will call on Saturday if convenient.