TY - RPRT TI - Model NM2B electric drinking water cooler manufactured by Sunroc Refrigeration Company AU - Karger, Henry AU - Phillips, C W AU - Achenbach, PR PY - 1952 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 2108 DO - 10.6028/NBS.RPT.2108 ER -