2 matching record(s)
Radcliffe Tracts 2 (8)Challis, J.
A Method of Correcting the Errors due to the Forms of the Pivots of a Transit Instrument
n.p. [?Cambridge], 1850.
[1934-41]
1850
file D (Stack)Challis, J.
Special Report of Proceedings in the Observatory Relative to the New Planet
Statement of this to be submitted to the Senate. St. Catherine's Hall Lodge. Dated December 12, 1846. ["Observatory" refers to the Cambridge Observatory]. (*)
[Unknown]
1846