Pritchard, Charles, D.D., 1808-1893. No. 3 in **E.5142.43 Researches in stellar parallax by the aid of photography from ob- servations made at the Oxford University Observatory under the
direction of Charles Pritchard. Oxford. The Clarendon Press. 1889. viii, 138 pp. Plate. Tables.
Charts. 25 cm., in 8s.
 
 
x , This card wes printed at the Boston ae Publiz Library May 1, 1936. [) . University Observatory. — Photog-
Do755 — Parallax. — University
 
raphy. Celestial.