IIAP Repository Collection: Thomas Royds (1923 - 1937) http://hdl.handle.net/2248/5816 The Collection's search engine Search the Channel search http://prints.iiap.res.in/simple-search The different character of spectrum lines belonging to the same series http://hdl.handle.net/2248/5141 Title: The different character of spectrum lines belonging to the same series<br/><br/>Authors: Royds, T<br/><br/>Description: Open Access The cause of the so-called pole-effect in the electric arc http://hdl.handle.net/2248/5140 Title: The cause of the so-called pole-effect in the electric arc<br/><br/>Authors: Royds, T<br/><br/>Description: Open Access Das reflexionsvermogen schwarzer Flachen http://hdl.handle.net/2248/5083 Title: Das reflexionsvermogen schwarzer Flachen<br/><br/>Authors: Royds, T<br/><br/>Description: Open Access Distribution in latitude of the absorption markings in Hα spectroheliograms http://hdl.handle.net/2248/5065 Title: Distribution in latitude of the absorption markings in Hα spectroheliograms<br/><br/>Authors: Royds, T