Radio age (Jan-Dec 1925)

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Write for This "How To Build" Book You will find it surprisingly easy to build the Hammarlund-Roberts Receiver from this instruction book. Fully illustrated throughout; gives complete information on assembling, wiring c\ C _ and operation. Associate Manufacturers All-American Radio Corp. Alden Manufacturing Co. Radiall Co. ( Amperites) Carter Radio Co. Union Radio Corp. Internationa 1 Resistance Co. Inc. (Durham Resinters) Westinghouse Micarla Hammarlund Mfg. Company, Inc. Every part Designed by a Specialist NO ordinary standards of five-tube reception or ease of operation can be applied to the Hammarlund-Roberts Receiver. It compels so complete a revolution in all previous ideas of performance and value that you can understand its sensational results only through a personal experience. Every single unit that goes to make up this remarkable receiver was chosen by a specialist after months of research. The transformers were selected by an engineer familiar with every reliable make; the condensers by a man who had made a special study of condenser constructions and functions. So it was even with the smallest, usually neglected units. From the work of these engineer-designers, backed by the endorsements of ten famous radio parts manufacturers, comes the Hammarlund-Roberts, a receiver that is truly the ultimate in five-tube possibilities. The equal of any standard eight tube set, in selectivity and volume — so simple in design and operation that anyone might construct it. Priced amazingly low, the Hammarlund-Roberts offers the greatest value possibe in the radio field today. TRANSFORMER This instrument and other parts shown are some of the famous units used in the HammarlundRoberts. * 4fa mmarl oDerts iind ) ru HAMMARLUND-ROBERTS, 1182-D Brcadway, New York ISslQ Dials and Sockets ^airUgir 01 f UNION The most efficient Phone TiD Jack. Switches and Rheostats •^r-sr^ufirT^ryl^ ■v DURHAM * RESISTOR H Tested and Approved by RADIO AGE #