Show secret radio speech Is purpose P of new dzivi device c a an electrical machine which apparently understood and translated unintelligible telli gible sounds over radio toto into clear english was included in an demonstrations recently at the university of wisconsin i engineering building before a Q gathering of U madison dison units of tha ibe american americ an institute of electrical engl meeril t sergius P grace telephone kabara laboratory engineer gave the demo demon astra stra lions the machine was designed in icon i connection rado transmission systems to secret nature no speech to f ina malse ke the them in a to denem te nersi then an electric c pickup pick up transmitter to Is h held ald tn in front of h orn horn the he original nal speech in le ngi liht vai clearly understandable a mr mi graced grace also demonstrated and explained an artificial larynx which enables persons persona who have lost their larynxes through surgical operations to talk again other devices included a t telephone ephone el receiver by which deaf persons can be taught to re receive c e ive conversations da as vibrations through the fin fingers gersi and methods of carrying long dI distance telephone calls economically over fine find instead of heavier copper wires |