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Radcliffe Tracts 11 (4)Groombridge, Stephen
"On the Co-latitude of the Observatory of Stephen Groombridge, Esq., at Blackheath; determined by his own Observations of circumpolar Stars, reduced by the Constant of Refraction 58", 133 at 45o"
offprint from an unidentified periodical. Read 13 January 1826.
[1934-41]
1826