From:
Thomas Maclear
To:
Sir John Herschel
Date:
[17 September 1844]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:
Attempts to determine light curve of Eta Argus; describes methods for determining magnitude. C. P. Smyth uses R.A.S. theodolite telescope. TM will triangulate Bushman Flat. Parallax work at Cape Observatory continues. Reports progress of new government Secretary, [John] Montague.
Contributor:
John Herschel Project