Radio Broadcast (May-Oct 1925)

Record Details:

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RADIO BROADCAST ADVERTISER 305 CM SUPER pXrts oAnnouncing— A New S-L-W Condenser Again S-M Engineering leads the field, this time with a Straight-Line-Wavelength Condenser that sets new standards of mechanical and electrical excellence. Every current-carrying surface is heavily silver-plated. A long cone bearing gives wonderfully smooth control. The plate shape (S-L-W) gives real and not imaginary separation of stations — and selectivity. The design and appearance will delight the discriminating lover of fine instruments. No. 305 No. 306 No. 307 .0005 Cap. .00035 Cap. .00025 Cap. $5.00 $4.75 $4.50 A Perfect Combination for Your Super S-M 210 and 211 matched and charted intermediate transformers are the choice of experts, for they give the highest amplification with the greatest selectivity ever obtained practically. And the famous S-M 101B coupling unit is but another example of the basic correctness of S-M Design. You'll find these parts in the ultra-sensitive sets of men who know. In stock with better dealers and recommended by editors and engineers everywhere. S-M Two-Ten and Two-Eleven Transformers — Each, $8.00 S-M 101B Oscillator Coupler— 2.50 Construction Plans for the " SuperAutodyne"— 50c. Midwest Headquarters for Roberts "Knockout" Parts for Radio Broadcast Phonograph Receiver Jilver-JJarshalhivc 103 S. Wabash Ave. Chicago, 111. Vir Tested and approved by Radio Broadcast ^