Geological Survey of Canada, Open File 1945 |
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A.H. Miller appointment April Archives of Canada Assistant Astronomical Branch Beals building C.A. French Canada Canadian Cepheids Chief Astronomer clock coelostat continued Department Deputy Minister determined Director Division Dominion Astrophysical Observatory Dominion Observatory E.A. Hodgson earthquake epicentre equatorial telescope established field Geodetic Survey geophysics Government gravity Henroteau instrument J.P. Henderson J.S. Plaskett Journal July June Klotz Diaries later letter lines longitude Madill magnetic magnitude McDiarmid measurements meetings Memorandum to W.W. meridian circle Meteorological Service microseisms Motherwell National Archives observations Observatory Papers Ontario Ottawa Otto Klotz pendulum Petrie photographic Plaskett Papers plate position programme proposed Publications R.E. DeLury R.M. Stewart radial velocity recorded Report rotation Royal Astronomical Society scientific seismograph Seismological Sifton signals Simpson Society of Canada solar spectra spectral class spectrograph spectroscopic binaries stars stations stellar surveyor temperature Thomson torsion balance transferred transit University of Toronto Victoria observatory W.F. King W.W. Cory