Brown, D. C.2013-07-192013-07-191956-11http://dspace.lib.cranfield.ac.uk/handle/1826/7989A new type of concave mirror plane grating spectrograph has been constructed. The mounting is that of a modified Ebert Type and has all the advantages of that mounting whilst being more efficient in its use of the mirror. Continues...enThe construction of a new type of spectrograph and its use photographically and photoelectrically as an automatic recording spectrophotometerReport