The use of a lummer plate as an auxiliary spectrograph in the study of h-alpha of hydrogen

Robinson, William Henry2014-12-152014-12-1519371937b14759573https://archive.org/details/useoflummerplate00robihttps://hdl.handle.net/2144/10173Thesis (Ph. D.)--Boston University This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.SpectrographThe use of a lummer plate as an auxiliary spectrograph in the study of h-alpha of hydrogenThesis/Dissertation