INCANDESCENT LAMP MODULATOR GRAPHIC R1 R2 R3 R4 R5 R6 R7 C1 C2 C3 Lamp Q1 Q2 Q3 22K 1K 100K 1K 2.7K 100Ohms 2.7K 4uF 4uF 4uF GE-44 2N2586 2N2270 2N255