Pritchard, Polynesian Reminiscences (London, 1866); H.
C. Pickering in 1884, the Uranometria Nova Oxoniensis, giving the relative lustre of 2784 stars, by C. Pritchard in 1885.
Similar attempts made by Pritchard with sapphires were more successful.
Some examples of use of the latter are given by Professor Pritchard (Mem.
CHARLES PRITCHARD (1808-1893), British astronomer, was born at Alberbury, Shropshire, on the 29th of February 1808.