Geological Survey of Canada, Open File 1945

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