Labels:sketch | diagram | drawing | technical drawing OCR: Oil- burner nozzle Knife Turnbuckle edge Stop Boom Plumber's lead for weight Pickup coil Wood dowel To amplifier Two magnets for damping Piece of aluminum V. V- .4 UF 1k BV 270 A 3 741 10Jk = V- V+ Input 35 HF Power supply Voltage 2 470 MF follower 741 100 n WWV- 3 01 Gain Low-pass filter, 10h 100 k 10 HZ Output TZero 10 mV High Z Amplifier, x100 Circuitry of the amplifier
