. QST . The AMECO Code PracticeOscillator, for 110 volts AC orDC, with a built-in 4 inchspeaJcer, produces a pure, steadytone with no clicks or can take a large number ofheadphones or keys. After thecode has been learned, theAMECO code practice oscillatoris easily converted to an excel-lent c. w. monitor. Ofher features Include: • Variable tone control • Volume control • Sturdy grey hammertonecabinet • Lowest prices |ln Kit Form, with Instruction, less tubes (Model CPS-KL) Completely Wired i Tested, less lubes (Model CPS-WL) let of two lubes (35W4 and 50CS) Mr* M2« $ |80.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915