. QST . mate-rial of Kit 5001P with special 5001P--BASIC KIT iiUains a complete assorl-ent of materials needed toako a variety of difTerenlinled Circuits. Circuit Dia- _ ,„i„^.,,ms include Multimeter and ■ j,,uhlefaced C ube Receiver. • Only RICH ■5004P—PRODUCT DESIGNERS - special Kit enables the ManufacUirer an<a pilot run of etched wire Printed Circuil»nd facilities. Contains all the latest informatioiicthods for adapting your product to mass prou ppei- Boards. OiilyEIWaKIT Laboratory towith his own The hard-of-hearlng can listento radio or TV without turningthe volume so high that others


. QST . mate-rial of Kit 5001P with special 5001P--BASIC KIT iiUains a complete assorl-ent of materials needed toako a variety of difTerenlinled Circuits. Circuit Dia- _ ,„i„^.,,ms include Multimeter and ■ j,,uhlefaced C ube Receiver. • Only RICH ■5004P—PRODUCT DESIGNERS - special Kit enables the ManufacUirer an<a pilot run of etched wire Printed Circuil»nd facilities. Contains all the latest informatioiicthods for adapting your product to mass prou ppei- Boards. OiilyEIWaKIT Laboratory towith his own The hard-of-hearlng can listento radio or TV without turningthe volume so high that otherscant stand the noise. Theycan listen with loud speakercut off. or if others want tolisten, with normal speakervolume. Excellent for noisyprograms. Let the Kids listenand view with speaker cut complete with minia-ture phone, fits snugly in ear,20 feet of cable and instruc-tions. MS-125 6-50 TWO CAN LISTEN WITH ADDITIONAL EAR PHONE 1-95 • For Hard-of-Hearing • For Late Listening. TRANSISTOR 455kc if. I/2XV2X^4- H Write for FREE Bargain Packed CatalogI :i£l This tiny is the same as used inthe transistorized sets of the leadingmanufacturers. Ideal for buildingminiature equipment. MS-126—Single, each 89c In lots of 10, each 79c Include postagewith order I 24CMtral*w. 1110 Federal St. 123 Universal Mobile Antenna Fittings By K-W ENGINEERING WORKS The p9tts youve been looking fof. .. All K-W UNIVERSAL fittings to whichtools are applied are hexagonal to fit All are nickel-chrome plated ...All have standard ^/.s-24 threads . .BASE/EXTENSION SECTIONS - Light weight. low«inil fabricated from sturdy 3 g steel lulling. . special Jam Nut, one supplied with each section,permits removal of parts without damage to finish . . 6 $ 24 12 30 18 36- Additional JAM NUTS each $ COUPLING— COLLET-For plain-end 3/16 threads antenna


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915