RA Mar 1925 .Pdf

They Cost More But They Do More Super- Zenith VIII - the ideal radio set for the fine home Super- Zenith X The complete Zenith line ranges in price from $95 to $550. With either Zenith 3R or Zenith 4R, sat- To choose at will isfactory reception over distances of 2,000 to 3,000 miles is readily accom- plished, using any ordinary loud speaker. Models 3R and 4R licensed un- der Armstrong U. S. Pat. No. 1,113,149. one glorious voice 'They are NON -RADIATING. Zenith 4R - - $95 Zenith 3R - - $160 one majestic symphony The new Super- Zenith is a six -tube set with a new, unique, and really different patented circuit, controlled exclusively A few blocks from your home a powerful station may by the Zenith Radio Corporation. It is eight or ten of them NOT regenerative. be on the air. Other locals -six, - SUPER - ZENITH VII - Six tubes -2 may be broadcasting at the same time. stages tuned frequency amplification - detector and 3 stages audio frequency amplification. Installed in a beautifully Imagine, now, the satisfaction of tuning them all out and finished cabinet of solid mahogany - 443i inches long, I6m/e inches wide, 103ís bringing in distant cities. The air a chaos of sounds, inches high. Compartments at either yet out of that chaos, from across the continent, one end for dry batteries. Price (ex- very pro- clusive of tubes and batteries) í230 glorious voice, one majestic symphony -the SUPER - ZENITH VIII -Same as VII ex- gram that you wanted most to hear -and as clear and cept- console type. Price (ex- C elusive of tubes and batteries) í2J0 appealing as though it were in the next room. SUPER -ZENITH IX Console model with additional compartments- contain- choice is what you ingbuilt -in Zenith loud speaker and gen- The ability to take your -that erous storage battery space. Price (ex- want above all else in radio reception. And it is that clusive of tubes and bat- C built into the Zenith, which makes it teries) .. í3J0 very property, SUPER-ZENITH X-Contains two new supreme among fine radio sets. The joy of possessing features superseding all receivers. 1st - Built-in, patented, Super-Zenith Duo- such an instrument is all the greater from the fact that Loud Speakers (harmonically synchro- design and excellence of construction speak nized twin speakers and horns),designed its beauty of to reproduce both high and low pitch quietly of its distinction. tones otherwise impossil.e with single - unit speakers. 2nd- Zenith Battery to the place Eliminator, distinctl. a Zenith achieve- Before you choose the receiving set occupy ment. Requires no A or B bat- e C of honor in your home, be sure to see and try the terms. Price(exclusive oftubes) í55D Price (without battery eliminator) $450 Zenith. Its beauty you will recognize at a glance. Its All Prices F. O. B. Factory. extraordinary capabilities any Zenith dealer will be glad to demonstrate. ZENITH RADIO CORPORATION, Dept. C.3 Dealers and Jobbers: 332 South Michigan Avenue, Chicago, I14 Write or wire for our exclusive territorial franchise. Gentlemen: Please send me illustrated literature giving full details of the Soper -Zenith. ZENITH RADIO CORPORATION Name 332 South Michigan Avenue, Chicago Address ZENITH -the exclusive choice of MacMillan for his North Pole Expedition -- I * Tested and Approved by RADIO AGE * RADIO AGE for March, 1925 The Magazine ,f the Hour 1 Train at Nome For Big Money h RADIO. Thousands earning $50 to $200 a week in easy, interesting work. Earns College You can do it! $405 in One Month Education Radio just with money I cleaned up 8405 in 1 antered the mari- teems making opportunities. Every one month recently. Not time service of the Radio Radio set which is sold means profit in somebody's p ket. Every so bad -is it-for a Corporation of America broadcasting station erected means big pay for Racr.o Engineers, fellow who just com- and served several pleted your course a months on board ship. Radio Mechanics, Operators, etc. Thousands are "cleaning up," short time ago? I not only had the ad- fortunes are being made almost overnight in this fascinating busi- Emmet Welch, vantages of visiting for- Peculiar, Mo. eign countries at no cost ness. Big salaries, interesting, easy work, short hours, and a won- to me but I was also derful future are offered to ambitious men who get into Radio now! able to save enough One of our recent graduates is making over S400 a month in his money to pay for my tuition to college. own business. Another has increased his pay $1,300 a year. Still G. E. Rogers, another writes: "I made $3,500 in one year working for myself." Troy, N. Y. Easy to Learn Radio at Home in Spare Time Triples Salary Right now Radio is the fastest growing industry in the world. I am earning three Thousands of Certified Radio -tricians are wanted to design Radio times as much as before enrolling. sets; to make new Radio improvements; to manufacture Radio Arthur Berke, equipment and install it; to maintain and operate great broadcast- Vancouver, B. C. ing stations and home Radio sets; to repair and sell Radio appar- Earns $50 to $83 atus; to operate aboard ships and at land stations. Employers a Week write and telegraph us continually, seeking to employ our grad- I enjoyed every one of your lessons and had no uates at splendid salaries. trouble whatever. I earn You, too, can easily and quickly qualify in your spare time at $50 to $83 a week besides a commission on sales. home through the help of the National Radio Institute -America's Michael DeMarco, first and biggest correspondence radio school. No matter how Boston, Mass. From $15 to $80 a little you know about electricity or Radio, we will guarantee to Week prepare you thoroughly for one of the big jobs in a few months. Before I enrolled I One of our recent graduates, Bert Roodzant, writes: "I now have was making $15 a week. know Now I earn from $2,080 a license and a good job, altho' I did not the difference to $4.420 a year. I be- between a volt and an ampere before enrolling." lieve the course will be worth at least $100,000 You by to me. Learn Doing George A. Adams, Doubles Salary All materials required for practical instruction are furnished Tamaqua Pa. I can very easily make you free of charge. This is an absolutely complete course now double the amount of money now than before being offered which prepares you for a Government First Class I enrolled with you. Commercial License and the really "big -pay" jobs in Radio. T. Winder, Grand Jct., Colo. Send for Free Book and Special Offer No other field today offers such great opportunities as Radio. Take your choice of the wonderful openings everywhere. Prepare now to step into the most fascinating and best paid profession today. Read about the opportunities open now -the different kinds of work -the salaries paid. Write to- r day for 32 -page book, "Rich Rewards NATIONAL RADIO INSTITUTE, Dept. 53EB, in Radio," that tells how prominent Washington, D. C. Pay Increases Over Radio experts can teach you to become Without obligation send me your book, "Rich Rewards $100 a Month a Certified Radio- trician in your spare in Radio," which tells all about the opportunities in am averaging time. Radio, how spare time study at home will qualify me I any- quickly as a Certified Radio -trician so I can get one of where from $75 to $150 Important -those who act immedi- these splendid positions, and how your Employment a month more than I was ately will also receive the details of our Service helps me to secure a big pay job. making before enrolling Special Reduced Rate. Mail the coupon with you. I would not or write a letter Now! consider $10,000 too Name._..- _._- .._ - -- much for the course. A. N. Long. National Radio Institute Greensburg, Pa. Dept. 53EB Washington, D. C. City..... ..... __ 2 RADIO I March, 1925 The Magazine of the Hour A Chat With the Editor THE month of March, 1925, will ,The : agazine of the Hour develop a 'situation of vital slaólishad March. 1922 radio importance. It will not WITH V'VTHICH S COMBINED RADIO TOPICS involve any new or radical change in the construction of receiving sets. It will not have any relation to radio Volume 4 March, 1925 Number 3 engineering triumphs. It will go vastly farther than either of those possibilities. Unless Radio Corpora- ONTENTS tion asks and gets more delay, the month of March will do much to Radio L.:-. Trials_. 4 settle the question as to whether How Super -P -Ling Out 9 there is a radio trust. The Federal Trade Commission A "Permanr ..........13 doesn't seem to care a hoot about who's who. The Commission exhibits, Don't Plan' ____16 however, a lively interest in what's what. The Commission will hear A 5 -Tu`)e Radio Frequ._ ....17 By H. Frank what eight big corporations have to say in reply to the charge that they Saving Current ,with a Double Grid 19 R. Bluzat have entered into a conspiracy to By C. restrain trade -meaning the radio How ta Wind Low Loss Coils._ 20 trade. The eight big corporations What the Eclipse Meant to Radio._ 21 say it's all bosh. Radio Corporation The New Baby C -and Super -Het. 23 not only says "bosh," but it is highly By Paul Green indignant that the United States A Short Wave Receiver 25 Government should presume to ask By C.

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