From Andre Denier's book: Les Ultra-sons appliques a la medecine, published in 1951. From Andre Denier: Les Ultra-sons appliques a la medecine. 1951.
describing the method of "ultrasonoscopie".
Denier's illustration of the principle of transmission ultrasonoscopie.
Denier's Ultrasonoscopic apparatus with ultrasound generator, emitter transducer and oscilloscope. This can be adapted for both therapeutic and diagnostic purposes.