Drake L-7 : galvanometer lighting
开云体育I'm going to bore you again with my L-7. The 4 lamps that light the two galvanometers are out of order (strange). They are powered by the 5 volts (alternating current) of the filaments of the 3-500Z. ? Have you replaced these fairly classic bayonet lamps? ? ? by LED lamps? -- F1AMM Fran?ois |