Original vintage industrial magazine ad for GRINNELL COMPANY INC. of Providence, RI.  Beautiful Missippi Shows Its Teeth.  Mississippi River at Venice, IL is Laden with Angry Silt.  Union Electric Company plant engineers and Stone and Webster Engineering Corporation selected Grinnell-Saunders Diaphragm Valves.  Old 1948 piping industry advertisement.  Would display magnificently matted and framed!

Approximate size  8 x 11 inches.

On the reverse side (see Additional Images tab) are GRAHAM MANUFACTURING COMPANY, INC of New York, NY.  Quick shipment of Steam Jet Ejectors.  STROM STEEL BALL COMPANY of Cicero, IL.  Surface, Sphericity, Precision Strom Balls.  Old fractional page industry ads.