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2N2926 2N1415 1N4009

Uses only six components per stage. Combining of counter and indicator functions gives low battery drain. After reset button is re leased, 0.22-mid capacitor insures that first stage turns on. Current is drown by stage only when lamp is on. Any number of stages may be included in ring.-"Transistor Manual," Seventh Edition, General Electric Co., 1964, p 203.

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