TY - RPRT TI - Capacity tests of two Westinghouse heat pumps models 23 rhp and 33 rhp AU - Davis, Joseph C AU - Achenbach, Paul R PY - 1958 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 6129 DO - 10.6028/NBS.RPT.6129 ER -