A two-metre grazing-incidence spectrometer for use in the range 5-950

Abstract
An instrument is described for the photographic recording of spectra down to 5 A. A 600 line per mm blazed grating is used and the instrument can be set to angles of incidence of 86[degree], 88[degree] or 89[degree]. Plates are cassette loaded. Spectra have been recorded from an X-ray tube, a 45 kJ theta-pinch and a carbon vacuum spark. An attachment is provided to convert the instrument for photoelectric recording.

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