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Radio Broadcast
EDWIN H. ARMSTRONG Goes down on this tire company's book of history as inventor of the feed-back circuit and native of Yonkers, N. Y.
understandings are sure to occur. How can it be expected that the haberdasher's clerk will know the relative merits of single-circuit and two-circuit tuners, regenerative and nonregenerative sets, soft tubes and hard tubes? And these are just the things the customer has a right to know before making his purchase.
Even some large department stores fail to have trained men in charge of their radio departments; only yesterday, we had explained to us in one of these stores the difference between a "single-current tuner" and a "doublecurrent tuner"! The most extravagant claims are made for the reception distance of the apparatus, the clerks themselves not realizing the exaggeration in their statements.
What is to be done? It seems that here is an opportunity for the National Radio Chamber of Commerce to try a little missionary work in convincing the jobber and manufacturer that the only legitimate and worth-while outlets for their products are the regular electrical stores, having clerks trained in the elements of radio, wn°.understand the relative merits of various types or^ sets Every radio sale should be made in such a-, manner that the customer understands the li^erits of the article he has purchased and ho w properly to manipulate it. Hence he can geuXresults which satisfy him, which lead to further .,r>Urchases, and which help to keep alive and incre,qse his interest in the radio game. V
Public Health Service Talks
WE ARE glad to note that the Public Health Service recently resumed the broadcasting of talks from the Navy's Anacostia station, on a wavelength of 360 meters. Early in the year these brief talks were broadcasted from this station but, as there was some question as to the propriety of the Navy carrying on such work, it was suspended. One of the first acts of the Inter-departmental Committee, referred to in a recent issue, was to clear up this point, with the result that short lectures are being sent out three times a week. In the words of the officer in charge of this branch of governmental activity, "We try to make these talks as simple and direct as possible so that they will do the largest possible good and be understood by the largest possible number— not only those in the cities but those in rural districts as well."
Is a Radio Set a Musical Instrument?
THE State Convention of Music Dealers of Illinois, we hear, has under discussion the musical status of the radio set; if it can be classed as musical, they will consider it on an equal basis with other instruments and help in developing it. Of course, the instrument the music dealers are interested in is the loud-speaking horn; that there could be much