Folder 'Photographs of the Spectrum of Nova Persei by the late Frank McClean, M.A., LL.D., F. R. S.

Three pamphlets and a memo tied together. The pamphlets are titled 'Notes relating to the late Mr Frank McClean's portfolio of photographs of the spectrum of Nova Persei', 'Note accompanying photographs of the spectrum of Nova Persei. By Frank McClean, LL.D., F.R.S.' and 'Second note on photographs of the spectrum of the spectrum of Nova Persei; correspondence with the the spectrum of n argus. By F. McClean, LL.D., F.R.S'.