Did you by any chance mean radiograph?
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“This is what has been called a rayograph by a detective of my acquaintance," explained Garrick.”
“To imagine that the culmination of the life work of an artist, theartist, whose sublime balls and cubes had defined an entire revolution in structural composition, theartist, whose blue color-field painting, whose rayograph, whose urinal, whose suspended shark in formaldehyde, could bedecadentas a result ofextension: this was too horrifying to comtemplate.”
“The writer of that blackmailing letter," continued Garrick, "as I have discovered both by hastily running over it with a tooth-pick and, more accurately, by enlarging and studying it with the rayograph, is suffering from a peculiar conjunction of nervous trouble and disease of the heart which is latent and has not yet manifested itself, even to him.”
“I doubt if any one could disguise what the rayograph shows.”
“I think you can readily see that when the writing is thrown on a screen, enlarged by the rayograph, the tremors of the pen are quite apparent. ”
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