TY - RPRT TI - Capacity tests of a Mathes heat pump model 38HAR-VEB-HP AU - Davis, Joseph C AU - Achenbach, Paul R PY - 1958 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 5908 DO - 10.6028/NBS.RPT.5908 ER -