HISTORYOF THEROYAL ASTRONOMICAL SOCIETY1820—1920
EDITED BYJ. L. E. DREYER, M.A., Ph.D., D.Sc.PRESIDENT 1923-
ANDH. H. TURNER, M.A., D.Sc., D.C.L., F.R.S.PAST PRESIDENTSAVILIAN PROFESSOR OF ASTRONOMY, OXFORD
WITH CHAPTERS BY THEM AND BYR. A. SAMPSON, M.A., D.Sc., F.R.S.PAST PRESIDENTASTRONOMER ROYAL FOR SCOTLAND
The Late Colonel E. H. GROVE-HILLS, C.M.G., D.Sc., F.R.S.PAST PRESIDENT
H. F. NEWALL, M.A., D.Sc., F.R.S.PAST PRESIDENTPROFESSOR OF ASTROPHYSICS, CAMBRIDGE
ANDH. P. HOLLIS, B.A.FORMERLY ASSISTANT AT THE ROYAL OBSERVATORY, GREENWICH
PUBLISHED BY THEROYAL ASTRONOMICAL SOCIETYBURLINGTON HOUSE, LONDON, W. i
AND SOLD BYWHELDON & WESLEY, LIMITED2, 3, & 4 ARTHUR STREET, NEW OXFORD STREET, LONDON, W.C. 21923