TY - RPRT TI - Performance test of a Westinghouse Electrostatic air cleaner, Precipitron VB-012 : manufactured by Westinghouse Electric Corporation Staunton, Virginia AU - Coblentz, Carl W AU - Achenbach, Paul R PY - 1963 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 7892 DO - 10.6028/NBS.RPT.7892 ER -