c9% PRESSURE GAUGE BELL JAR GALVANOMETER | qm + — - CLEAN AIR SQUAREL \ ¥ WAVE GENERATOR b= rn ANALYZER LY iL. ABSOLUTE FILTER i =C ° POWER 7? SUPPLY a > CRITICAL ORIFICE PARALLEL—PLATE CONDENSER L cHarcer / CHARGE SPECTROMETER FLOW—-REGULATING VALVE Jf ween D NEUTRALIZER A-C POWER re SUPPLY [T° (3500 VOLTS) NEUTRALIZER DRYING CHAMBER he r CLEAN, DRY COMPRESSED AIR SURGE TANK VACUUM PUMP) ELECTROMETER ATOMIZER of = wl COMPRESSED AIR Av Fig. 1—Experimental system. | + AG LIHM ANY OFT D-C POWER SUPPLY (5000 VOLTS) 9 a

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