Two lectures on the development and present position of chemical analysis by emission spectra (1911)
Twyman, Frank · London, A. Hilger · leaf 27
LECTURE I. The Spectroscope is also used in this Department to determine the quality ofscrap selected at random from the bins of other Depts., and it is found quite possibleto say whether a piece of steel is carbon scrap or nickel scrap. We find that the time taken to carry out a spectroscopic… … Lantern Slide No. 11. So much for visual instruments. But as the work done by Gramont,Hartley, Pollok and Leonard was published, it became obvious that forgeneral use a convenient photographic instrument was needed, and in1909, the author designed the fixed adjustment quartz spectrographwhich, with…
Spectrum analysis
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