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Quoted By: >>43313762 >>43314908 >>43316921
>The primary object of my invention is the provision of an apparatus for the creation of illusory efiects calculated to impress the subject with their being of a supernatural character and to so work upon his imagination as to enable an inquisitor operating in conjunction with-the recording system to obtain confessions and graphically record them by light action under the control of electric impulses governed by varying intensities of sound waves.
https://www.google.com/patents/US1749090
Would it work?
https://www.google.com/patents/US1749090
Would it work?
