Radio today (Sept 1935-Dec 1936)

Record Details:

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NEW THINGS {Continued from preceding page) Service instruments + Bridge for measuring C, R, L with self-contained standards and 60-1200 cycle oscillator. Ranges: 2 mmf. to 100 mf— 1 to 1,000,000 ohms • — 10 microhenries to 100 henries. Visual null indicator in form of 6E5 cathode ray tube. Visual indicator with 2-stage resistance couple amplifier and 6E5 indicator tube — self-contained power supply—swivel mount for 6E5. Tobe Deutschmann Corp., Canton, Mass. — Radio Today High-meg resistors * Ultra high ohmage resistors for engineering and scientific work. Type FH-1 available up to 10,000 megohms — filament type with special processing to reduce humidity effects and surface leakage. Type MG in values from 20 to 100,000 megohms — voltages up to 4,000 volts. International Resistance Co., 401 N. Broad St., Philadelphia, Pa. — Radio Today Freed-Eisemann portable AC-DC radio ■*• Five tube compact travelling case radio with self-contained aerial. Tuning range— 5401,750 kc. Illuminated full-vision calibrated dial. Dynamic speaker — automatic overload control — ACDC operation. Wight 7% lbs — 10 x 7 x 7% inches. Model FE-58 — list $25. Freed Mfg. Co., 44 W. 18th St., New York City— -Radio Today Volume controls * Step-type volume control for broadcast and sound installations. Beryllium-copper contacts and switch arms eliminate noise and increase life. Fully enclosed — removable dust cover for access to contacts. Depth of 2 3/16 inches behind panel. Standard impedances of 50, 200, 250, 500 ohms. Model 653— list $12.50. General Radio Co., 30 State St., Cambridge, Mass.— Radio Today Amperite cable input transformer * Input transformer for coupling low-impedance line to highimpedance amplifier input. Allows use of up to 2,000 feet of cable with low impedance. Shielded in heavy alloy case. Standard input impedance of 200 ohms matches 50-200 ohms. Amperite Corp., 561 Broadway, New York City ■ — Radio Toda-j Mike volume controls Eby battery adapter * Volume controls for all makes of crystal microphones — studio and plain types. Capacitors are employed for regulating attenuationsmooth operation free from jumps. No frequency discrimination or tone control effects. List $7.50 to $12.50. Colortone, Inc., Sturgis, Mich. — Radio Today Portable battery set * Four-tube portable battery superheterodyne for vacationing and traveling. Self-contained aerial and batteries. Illuminated full-vision dial calibrated from 540-1750 kc. — 5-inch speaker. Size — 914 x 8% x 4% inches. Sportsman AA — list $26.50 less batteries. Simplex Radio Co., Sandusky, Ohio — Radio Today Readrite test combination * Radio set tester comprised of 640 free point tester and 740 multi-meter. Meter is Triplett moving coil type. Range— 0/10/50/250/500/1000 volts AC-DC; 0/1/10/50/250 mils DC. Resistance range — 0/300/100,000. Metal case— Iiy2x7%x4%. Net $27. Readrite Meter Works, Bluffton, Ohio — Radio Today ■* Adapter consisting of a socket to fit plug in set, and cable with plugs to fit standard "B" and "C" battery sockets. Two types — 7-prong adapter for sets using 3 45volt and 2 4%-volt blocks; 8-prong type makes connection with an additional 4%-volt block. Hugh H. Eby, Inc., 206 6 Hunting Pk. Ave., Philadelphia, Pa. ■ — Radio Today Quam chromatic speaker * Small speaker with greater sensitivity than dynamic and more volume capacity than ordinary magnetic type. Patented snubbing device prevents rattle on loud notes ■ — consists of thin plunger riding between gum rubber pads and directly connected to armature arm. On normal amplitude of tones plunger rides free with no effect on operation. Models in sizes suitable for battery and AC-DC sets. Quam-Nichols Co., 1615 W. 74th St., Chicago, 111. — Radio Today J. F. D. auto radio cable tool ■*• New tool for replacing auto radio tuning cable, removing old fittings, applying new ones, swedging cable to prevent unraveling and all other work on cable, housing and fittings. Any length cable with any type fitting can be prepared quickly and easily. This tool, with cable, housing and fittings, constitutes complete equipment for producing exact duplicates of original parts. List $47.50. J. F. Distributing Co., 5024 Ft. Hamilton Parkway, Brooklyn, N. Y. — Radio Today 58 Radio Today