Journal of the British Astronomical Association. Vol.40 No.7

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  • 38BAA Journal Vol. 40. No. 7. 1929-30
  • 56Photograph: JOHN S. PLASKETT, D.SC., F.R.S.
  • 40REPORT OF THE MEETING OF THE ASSOCIATION, HELD ON WEDNESDAY, APRIL 30, 1930
  • 41REPORT OF THE MEETING OF THE ASSOCIATION HELD ON WEDNESDAY, MAY 28, 1930
  • 50Reports of the Sections
  • 50Meteor Section
  • 53Historical Section
  • 53Reports of the Branches
  • 53REPORT OF THE NEW SOUTH WALES BRANCH
  • 54The Royal Astronomical Society's Gold Medallist
  • 73REVIEWS
  • 38Contents
  • 55PAPERS
  • 55South Africa: a Paradise for Astronomers?
  • 59STERREWACHT TE LEIDEN
  • 65Pluto, the Lowell Planet
  • 67Solar Activity during the First Quarter of 1930
  • 70The Guards of the Pole tell the Hour
  • 73OBITUARY
  • 73Harold John Adams, M.A., F.R.A.S.
  • 54Professor John Stanley Plaskett, D.Sc, F.R.S., Director of the Dominion Astrophysical Observatory at Victoria, B.C
  • 73Memorials of Galileo Galilei, 1564-1642: Portraits and Paintings, Medals and Medallions, Busts and Statues, Monu­ments and Mural Inscriptions." By J. J. Fahie
  • 82THE AGE AND ORIGIN OF METEORITES
  • 83THE DISTANCES, DIMENSIONS AND DISTRIBUTION OF THE OPEN STAR CLUSTERS
  • 76Diary for July 1930
  • 76NOTES
  • 76COMET NOTES
  • 77THE SOLAR PARALLAX DERIVED FROM PHOTOGRAPHS OF PONS-WINNECKE'S COMET
  • 78THE SOLAR SPECTRUM IN THE EXTREME INFRA-RED
  • 80THE DETERMINATION OF THE MASSES OF THE COMPONENTS OF ECLIPSING VARIABLES
  • 81THE SYSTEM OF POLARIS
  • 81THE COLOURS OF LONG-PERIOD VARIABLE STARS
  • 74Grundriss der Astrophysik," von Prof. Dr. Kasimir Graff
  • 75Present-Day Astronomy," by J. W. N. Sullivan
  • 84SUN-SPOTS AND WIRELESS
  • 86DETERMINATION OF A RADIANT FROM PHOTOGRAPHIC METEOR TRAILS
  • 85THE PERIODS OF REVOLUTION OF BINARY STARS
  • 86THE LEONID RADIANTS IN 1898 AND 1901
  • 87THE GREAT SIBERIAN METEORITE OF 1908 JUne
  • 87THE PROGRESS OF ACCURACY IN MEASUREMENT OF STELLAR POSITIONS
  • 88New Members of the Association
  • 89Candidates for Election
  • 91Officers and Council.
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