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Radcliffe Tracts 28 (7)Arnold & Dent, Messrs.
Tables of the Observations made and registered at the Royal Observatory, Greenwich, In the Years 1832 and 1833, under the direction of the Astronomer Royal, and Certified by him, during a Thirteen Months' Trial, of A Clock, Constructed by Messrs. Arnold and Dent, of London
n.p., n.d.
[1934-41]
[n.d.]