Word: wave
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Dates: during 1920-1929
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...Navy officials, visiting last fortnight at Gloucester, Mass., were treated to a demonstration remarkable even in this radio age. In the laboratory of John Hays Hammond Jr., they beheld that young wizard (aged 37) transmit eight radio messages simultaneously upon a single ether wave and receive them again, all separate and distinct, using single sending and receiving instruments at both ends of his operation...
...Multiplex System. Upon a 10-metre "carrier" wave, Mr. Hammond's multiplex sending instrument impresses modulations, much as a locksmith files teeth in a blank key. A set of eight modulations goes out with each compound signal of the set of eight messages. Physically, these modulations consist in alterations of the length of the carrier wave by fractions of a centimetre (down to 9.984 m., up to 10.016 m.). In the instrument that receives the multiplex or "scrambled" messages, one circuit is made sensitive to the carrier wave, other circuits to specific modulations thereon; much as the slot...
Last week Fascismo took a new and overwhelming stride towards dominance in Italian affairs. Announcements on three successive days outlined a program of absolutism which the Fascisti have called "the third wave of the Fascist revolution." The announcements were as follows...
...Crest of Crime Wave...
...greatest wave of degeneracy and crime that has swept the world since the fall of the Roman Empire, and what is more, it is increasing at a staggering pace," thundered Dr. Straton. His statement he illustrated by statistics on murders, divorce cases, and pornographic periodicals perpetrated annually in this country alone...