ocr: The 0 Volt DC Clamp for the Pulse Generator cable. PL1 X - C1 D1 X Red. OF "Black. Crocodile clips. Parts list:- R1 - 2 6BA screws, nuts and washers. C1 = 2.2uF,50 volts working. R1 =1 100 - Kilohm, 1/8 watt. D1 = any Germanium diode, UH81), PL1: - = RCA or PHUNU plug. X=F 3U58 - or UR76 coaxial cable. Red insulated crocodile clip. Press any key Black insulated crocodile clip. to - quit. Solder Tags X 2. Small metal box. (C - Barry walker, 1999, Vero board. Pulse jenerator Cable. Vero pins X - 4. GULCU.