W. H. Cooke & Co., Inc. is a manufacturer of thermocouples, RTD's, and thermistors and we sell instrumentation and controls for temperature, pressure, level, flow, pH, RH, flame and gas detection and heaters for almost any application. We also carry chart recorders and chart paper and pens as well as paperless recorders, data loggers, pumps, valves, and motors, and industrial oils, solvents, and lubricants.