Radio Digest (July 1924-Apr 1925)

xftG^ 7 R <" , ** <4 ft c Summertime Operation and Trouble Shooting, H. J. Marx; Advance Progr Small Space Installation of Static-Free Underground Antennas, E. T. Jones Radio Di EVERY i TEN CENTS REG. U. S. PAT. OFF. & DOM. OF CANADA Vol. X Copyright 1924 By Radio Digest Publishing' Co. SATURDAY, JULY 12, 1924 No. NEW CIRCUIT IN PHILHARMONIC GOES ON 3 TIMES WEEKLY WJZ UNDERTAKES THIRD SUMMER SEASON Broadcasts Popular Stadium Concerts In New York With Remote Control NEW YORK. — Arrangements have been completed between the executive officers of the New York Philharmonic society and Radiocast "WJZ, whereby that station will give the Stadium concerts by the Philharmonic orchestra, commencing with the first concert of the 1924 summer season. TTZ will Radiocast three concerts a week direct from the Lewisohn Stadium, employing the same system of remotecontrol transmission as was used during the Radiocasting of the Stadium concerts in 1922 and 1923. This is the third consecutive year of WJZ's co-operation with the Philharmonic society. Is Famous Symphony Body The New York Philharmonic orchestra includes over 100 members this season, with Willem Van Hoogstraten conducting. The orchestra has long been one of the leading symphonic organizations of the world, and the Stadium concerts constitute one of the country's outstanding musical series of the summer. An unusual feature of the present season is the visit of Fritz Reiner, conductor of the Cincinnati Symphony orchestra, as guest conductor of the concerts between July 24 and August 6, for no guest conductor has ever before directed a Stadium concert. Willem Van Hoogstraten, conductor of the New York Philharmonic orchestra, will direct the concerts from July 3 to July 24, and from August 6 until the final concert of the season on August 21. WGY Players Desert Air During Hot Days Student Radarists Take Their Place for Summer SCHENECTADY, N. Y.— The WGY Players concluded their 1923-24 season of Radio performances with the production of "Cappy Ricks," a comedy based on Peter B. Kyne's lovable Pacific Coast shipper. The Radario will not be missing from WGY programs during the summer, however, as the WGY Student Players will be heard weekly in one-act plays and full-length dramas. Edward H. Smith, director of the players will be in charge of the student productions. SHE JUST KNEW SHE HEARD HIM SAY SOS DAYTON, O. — While testing out an airplane Radiophone set here recently, the embryo announcer, A. C. Studebaker, caused a commotion by starting to sing, "London Bridge Is Falling Down." The phone in the laboratory of McCook field began to ring. A feminine voice announced, "There's a man up there in distress. He keeps calling that he is 'falling down.' Can't you help him?" Bita Bogan, eight-year-old motion picture actress, is known as the prettiest girl in the movies. Becently she appeared in a program given by well-known stage; children from WOB, Newark. Radio Manufacturer Census WASHINGTON. — The bureau of census, for the first time, is taking a manufacturers' census of the Radio industry. The census is in connection with the manu facturers' census of 1923, begun by the bureau on the first of January. BRITON'S SET INCORPORATES RADICAL PEA Use of Four Electrode Tube Eliminates Necessity of Plate Batteries Conducting Experiments Hook-Up Especially Adapted to Portable Outfits Where Light Weight Is Factor No B batteries are required in the latest epoch-making and revolutionary circuit developed in England, which, despite the absence of the plate batteries, is said to function excellently and equal to, if not better than sets now in use. With portable sets in the limelight there is a great demand for a set that doesn't require a lot of heavy, spacewasting B batteries. And England reports it has solved the problem through the medium of four electrode tubes !_ Some of these English valves, as they call them over there, have been ordered so that a series of experiments can be conducted on the new circuits. Collect Data in England The information presented is the result of considerable data collected in England and prepared as an introduction. It is not unknown to many that the three electrode tube will function properly when the plate battery is omitted and the return of the plate circuit is made to the positive terminal of the A battery. Unfortunately the amplification value of a three electrode vacuum tube without a plate battery appears to vanish entirely. Although three electrode tubes could be designed for very low plate potentials, yet the effect on the other characteristics of the tube would make it rather impractical at the present stage of research. Four and Five Electrode Tubes Pour and five electrode tubes have been available in Europe for a considerable period of time. This has given many over there, the opportunity of individual research into this field. In this country, (Continued on page 6) Great Britain expects to institute a regular service of Radiocasting to the schools beginning in September. HUGE HORN STANDS TWELVE FEET HIGH CHICAGO. — Largest of any loud speaker in the world was the mammoth reproducer here in the Elizabethian room of the Congress hotel, used during the political conventions to repeat happenings at Cleveland and New York. It stood twelve feet high, was more than eight feet across the flare of the horn, and the hole from which the sound issued measured six feet in diameter.