HAGAN
Unitary Combustion Control Equipment for Regulating the Delivery of Air and Fuel Such as Liquid, Gaseous, and Solid Fuels to and for Combustion in Steam Boiler Furnaces, and Metallurgical Furnaces, and Accessories Therefor, Such Equipment and Accessories Comprising Recording and Integrating Flow, Pressure, and Temperature Meters, Pneumatic Industrial Control Components, Master Regulators, Balanced Float Regulators, Master Senders, Receiving Regulators, Control Panels, Ratio Relays, Single and...
Cancelled · August 22, 1960 · 72103150 ·