British Astronomical Association

Supporting amateur astronomers since 1890

Methods of Observation Section: Sectional Notes 1 and 2

BAA Document Store | The BAA Archives | Methods of Observation Section: Sectional Notes 1 and 2

Documents

  • 1945 Jan 01 Methods of Observation: Sectional Notes 1 : Solar Prominence Spectroscope 1945

  • 1945 Jan 01 Methods of Observation: Sectional Notes 2: Optical Adjustment of Newtonian reflector 1945