Two lectures on the development and present position of chemical analysis by emission spectra (1911)
Twyman, Frank · London, A. Hilger · leaf 24
order of sensibility is that found by photography, either with aquartz or with a uviol crown glass spectrograph, and it is in the ultra-violet that the Raies Ultimes almost always lie. But where raiessensibles are recorded in the visible spectrum they are often of highsensibility for the eye. The… … Lantern Slide No. 8. Modern Apparatus for Spectrum Analysis. In 1904 the author became strongly conscious of the need for moreconvenient and labour saving spectroscopes, and in that year utilisedthe form of prism already made known by M. Broca, to design for thefirm of Adam Hilger, the now…
Spectrum analysis
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