Original 1939 industrial trade vintage catalog for the MASON-NEILAN REGULATOR COMPANY.  Main office and plant were located at 1198 Adams Street, Boston, MA.

Manufacturers of Automatic Control Equipment.

Products include Back Pressure Regulators, Balanced Valves, Boiler Pressure Regulators, Combustion Control Equipment, Control Valves, Pressure Temperature Controllers, Damper Regulators, Diaphragm Control Valves, Flow Controllers, Flow Meters, Humidity Recorders, Liquid Level Controllers, Potentiometer Controllers, Pressure Controllers, Pressure Recorders, Pressure Regulating Valves, Pump Pressure Regulators, Pump Speed Governors, Reducing Valves, Regulating Valves, Relief Valves, Remote Manual Controls, Strainers, Temperature Controllers, Thermometers and Vacuum Regulators, all are fully featured.

Has numerous product images, explicit illustrations, description, applications and specifications to provide product details.

Unbound from a large rare 1939 Process Industries Catalog, this unique old forty-page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro industrial equipment library.