Original vintage industrial magazine ad, for CHASE BRASS AND COPPER COMPANY INCORPORATED of Waterbury, CT.  For This Much or This Much, Brass Wire, Bronze Nuts and Bolts, Copper Rivets and Burs, Copper and Brass Wire Cloth.  A subsidiary of Kennecott Copper Corporation. Old dated 1948 industry advertisement. 

On the reverse side (see Additional Images tab) is a  fractional page ad for AMPCO METAL, INCORPORATED of Milwaukee, WI.  Put Resistance Welding Costs on the Spot, Use Ampco-Weld Resistance Welding Electrodes in Modern Equipment.  Old industry advertisement.

Approximate size  8 x 11 inches.