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Smallest Regenerative Set in World— Fie welling
Radio Digest
EVERY
I
BEG. U.5 PAT. OFF.
a TEN CENTS
Vol. V
Copyright, 1923 R. D. P. Co. Inc.
SATURDAY, JUNE 23, 1923
No. 1 1
RADIO PHOTOSCULPTURE
FOUR GIANT PLANTS LINKED FIRST TIME
BROADCASTS PUT ON AIR SIMULTANEOUSLY
WEAF, WGY, KDKA, and KYW,
Widely Separated, Join
in Experiment
NEW YORK. N. Y.— For the first time in history, four big stations in various parts of the country were linked together and broadcast simultaneously recently when the program of the National Electric iation convention here was put on the air by WEAF, 'fl GY, KDKA and i KYW". The stations were linked with microphones in the hall by telephone lines.
The speaker at the evening meeting was Julius K. Barnes, president of the United States Chamber of Commerce, and Anna Case, Metropolitan Grand Opera star, sang.
The engineers who worked on the installation of the lines encountered a serious problem in preparing telephone lines suitable to the handling of high frequency currents. Each of the lines had to be carefully balanced and equalized by means of special networks and other adjusting instruments.
Hear Anna Case at Home
AYhen Anna Case sang her voice was heard by a vast assemblage on the common and in the streets of Flemington, N. ' J., the century-old town near which the singer spent her early girlhood days.
This was accomplished by means of a mobile public address system which a citizens' committee arranged to bring to the historic county seat of Hunterdon County for the occasion.
A receiver operated by engineers picked up Miss Case's voice, and transmitted it to a big vacuum tube voice amplifier which made her voice audible in even the farthermost corners of the park and along the tree-lined streets.
SCULPTOR NO LONGER NEED SEE SUBJECT
Carving by Ether Waves Made
Possible by Radio Photo
Transmission
British-Yank Invention
Line Charts of Pose Are Flashed
Through Air to Artist Many
Miles Distant
By Fred Claire Zunibro
First, pictures by Eadio and now "Radiosculpture"! This remarkable accomplishment is brought about through the inventions of H. M. Edmunds and C. Francis Jenkins. By combining the inventions of these two men it is possible to carve a perfect likeness of a person thousands of miles away. Not a slight artistic likeness is the result, but a mechanically perfect model that will measure correct to the thousandth of an inch.
It is now made possible for a person on shipboard of a trans-Atlantic liner to sit for a few seconds before a camera and be able to call at the studio ashore, upon arrival, and see his own likeness carved in stone, marble or granite cast in bronze. The process requires from two to three days at the most for completion, after the
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Miss Harriet Bennett (above), soprano, is well known to Pacific Coast Radiophans who hear her often over Station KPO, Hale Brothers, San Francisco. Below is William Nigey fishing on the Belgrade Lakes in Maine. He is indeed a typical exponent of the modern times with his Radio-outboard-engine-equipped canoe © K. & H.