American Society of Heating, Refrigerating and Air-Conditioning Engineers. Iation problems, involving noxious gases, in mines, tunnels, and elsewhere. ... The Duo-Therm Announced A new instrument has been perfected by the E. Vernon Hill Co., 121 N. Clark St., Chicago, 111., to give accurate information on airanbsp;...
|Title||:||Journal of the American Society of Heating and Ventilating Engineers|
|Author||:||American Society of Heating, Refrigerating and Air-Conditioning Engineers|