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Show Behind Scenes in Radio Studio How Music and Other Forms of ' Entertainment Are Broad- . : casted to Millions. - KEEP CHECK ON APPARATUS .V 7T . v. : " Every Precaution Taken to Keep Out-Foreign Out-Foreign Sounds "Listening Posts" Established to See That Ap-. Ap-. paratus Works Smoothly. . ". "'. c""1 , v. New York. There is much the same fascination in going behind the scenes of a great broadcasting station as Is found behind the curtain at a theater. A general working idea of the operation op-eration of wireless electricity is almost al-most universal in America today. Almost Al-most every night the general public has suddenly become familiar with the Intricate mechanism of such appa- ( ratus. The distribution of upward of a million radio telephones has educated edu-cated the public far more rapidly than could years of ordinary study. The audiences which gather dally to listen lis-ten In on the programs broadcasted the country over probably aggregate over a million listeners. Almost all are fumlllar with the operation of , the broadcasting station. ; An evening spent in one of the great broadcasting stations la a rare privilege. priv-ilege. ' ! '.." t, V' ' ' ' ' ' 'Most of us hare probably Imagined, tho broadcasting station to be a maze' of complicated apparatus with some; thing the appearance of a factory or a laboratory. The stage from which the programs are broadcasted, to call' it such, Is in reullty an attractive ; studio surprisingly barren of technical apparatus. The Radio Studio. The walls of the studio are hung " with rich curtains, which are designed to be useful as well as ornamental. Besides lending an air of elegance to the Interior, they serve to deaden the "sounds which come from adjoining rooms and at the same time prevent any possible echo or vibration. The studio contains several phonographs phono-graphs and the cases for records whose music is to be broadcasted. There is a grand piano for accompanying accompany-ing the soloists. A number of easy chairs are scattered about The floor Is, of course, thickly covered to deaden all possible sounds. ; About the walls are ranged a couple of Inconspicuous cabinets of a dark wood. There are also a couple of desks with, switches and telephones. Suspended' from the celllngs'nre two receivers hung from wires. These are provided with paper funnels, much the same as the old-fashioned horns of phonographs, which can be readily adjusted at any angle or height to suit the performers. Two or three attendants at-tendants and the performers and a very few visitors are admitted, A few minutes before the opening of the performance the mechanical expert ex-pert directing the program he la known technically as the "operator" calls up the mechanical department and assures himself that all Is In readiness. read-iness. Me now signals to aa assist ant to put the great set used for sending send-ing la operation. A few moments later he goes to : the . cabinets with their rows of switches and knobs and quickly quick-ly gives the last touches to the apparatus. ap-paratus. The hum of a generator, like lliroughout the studio." Evert otie" in the room has been csutiohea fn "advance "ad-vance to keep perfectly quiet; the raliteu Laud f ihd operator now ka- forms them that the broadcasting machinery ma-chinery is functioning. Ingenious Checks. ' The operator now gives his directions direc-tions by signs alone. At a signal an assistant winds up one of the phonographs, phono-graphs, places a record in position and stands ready to release It. The announcer an-nouncer now takes up his position before be-fore one of the telephones at the desk, and, speaking clearly and distinctly, but not loudly, announces the opening of the program. It is his voice which has become so fumlllar to tens of thousunds of people throughout the eastern states, lie may be said to have a speaking acquaintance with a hundred thousund people who buve never seen his face. One number follows another on the progrnm. The greutest care Is taken to huve the entertulnmcnt go forward without any delay or Interruption of nny kind. Several Ingenious checks lire used to make sure that the broadcasting broad-casting apparatus Is working smoothly smooth-ly and efficiently. There are a numbs of observer whose stations are knowt, as "listening ponts" scattered for miles In several directions which are constantly con-stantly on the alert. If they fall to hear the program, or It comes to them interruptedly or smothered In quality, they will cnll up the broadcasting Bto-tlon Bto-tlon between the numbers of the program pro-gram end report the trouble In this ; way fhe entire field covered by tl stations Is kept under o!itrmtl a, if |