Labels:text | font | black and white OCR: RED BOX PHREAKSI GREETINGS On the single-slot coin phones I have frequently been ED. NOTE: For those of you who want to make a "ble to get a dial tone by putting in a nickel and giving simple and reliable red box, we show a schematic the hookswitch a short tap (this takes practice) . The of an oscillator and amplifier and telephone dial. dial won't work, though, so you will have to tap out It is basically the same as last month's red box, 211 to get the operator. except that a telephone dial replaces the flip-flop I have built a red box using an oscillator, a telephone and timer, thus mechanically producing the tones, earpiece, and an AE phone dial. The shorting contacts of the dial are used to turn on the oscillator when the All resistors are half watt 10%. Transistor is diel is off norma ...
