. QST . *Eimac developed 1 electron ■power tubes 1 4-65A 75TL 4-125A lOOTH 4-250A lOOTL 4-400A 152TH 4-1000A 152TL 4PR60A 2S0TH 4W20,000A 250TL 4X1S0A 304TH 4X150D 304TL 4X150G 450TH 4X500A 450TL 4X500F 592 3-200A3 4E27A S-125B 750TL 3K20,000LA, F, K lOOOT 3KS0,000LA, F, K 1500T 3W5000A3 2000T 3W5000F3 2-25A 3W10,000A3 2-50A 3X2500A3 2-150D 3X2500F3 2-240A 3X3000A1 2-2000A 3X3000F1 250R 2ST 253 35T 8020(100R) 3STG KY2IA 7STH RX21A 87. / MORE RANGES / AN EXTRA-LOW RESISTANCE RANGE / AN EXTRA-LOW VOLTAGE RANGE / AN EXTENDED LOW CURRENT RANGE / A LARGER METER SCALE FACE / POSITIVE CONTACT JACKS a


. QST . *Eimac developed 1 electron ■power tubes 1 4-65A 75TL 4-125A lOOTH 4-250A lOOTL 4-400A 152TH 4-1000A 152TL 4PR60A 2S0TH 4W20,000A 250TL 4X1S0A 304TH 4X150D 304TL 4X150G 450TH 4X500A 450TL 4X500F 592 3-200A3 4E27A S-125B 750TL 3K20,000LA, F, K lOOOT 3KS0,000LA, F, K 1500T 3W5000A3 2000T 3W5000F3 2-25A 3W10,000A3 2-50A 3X2500A3 2-150D 3X2500F3 2-240A 3X3000A1 2-2000A 3X3000F1 250R 2ST 253 35T 8020(100R) 3STG KY2IA 7STH RX21A 87. / MORE RANGES / AN EXTRA-LOW RESISTANCE RANGE / AN EXTRA-LOW VOLTAGE RANGE / AN EXTENDED LOW CURRENT RANGE / A LARGER METER SCALE FACE / POSITIVE CONTACT JACKS and PLUGS Compare These Wide Spread Ranges and Features: • 8 DC VOLTAGE RANGES: 20,000 ohms per volt. • 8 AC VOLTAGE RANGES: 5,000 ohms per volts. • 8 AC OUTPUT RANGES: same as AC volt ranges.^ 7 DC CURRENT RANGES: 0-60-300/i«. Ma. 0-12 Amps. • 5 RESISTANCE RANGES: self-contained0-200-2000-200,000 ohms. 0-2-20 megohms. • 8 DECIBEL RANGES: —20 DB to + DB = 1 Milliwatt, 600 ohms. • EXTRA LARGE SVa RUGGED PACE METER: 40 microamperes sensitivity, 2% accuracy. • 1% MULTIPLIERS and SHUNTS • TWO JACKS SERVE ALL STANDARD RANGES • TRANSIT SAFETY POSITION on range sele; torprotects meter during transport and storage. ■A^ CUSTOM-MOLDED PHENOLIC CASE and PANEL MODEL 120 ... complete with internal ohmmeterbatteries, banana-plug test leads and detailedoperatin


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915