"In cases of poisoning by these substances, the spectroscope often
has obvious advantages over chemical methods, for minute amounts
will produce a well-defined spectrum. The spectroscope 'spots' the
substance, to use a police idiom, the moment the case is turned
over to it. There was no poison there." He had raised his voice to
emphasise the startling revelation. "Instead, I found an
extraordinary amount of the substance and products of glycogen.
The liver, where this substance is stored, is literally surcharged
in the body of Phelps."
He had started his moving-picture machine.
"Here I have one of the latest developments in the moving-picture
art," he resumed, "an X-ray moving picture, a feat which was until
recently visionary, a science now in its infancy, bearing the
formidable names of biorontgenography, or kinematoradiography."
Kennedy was holding his little audience breathless as he
proceeded. I fancied I could see Anginette Phelps give a little
shudder at the prospect of looking into the very interior of a
human body.
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