Original 1943 electrical trade vintage ad for INTERNATIONAL RESISTANCE COMPANY.  Main office and plant was located at 427 North Broad Street, Philadelphia, PA.

Manufacturers of Resistors.  Complete Resistor Data at your fingertip.

In easy-to-read tabular form are listed the essential data on over 122 sizes in 18 standard types of fixed and variable resistors. At a glance, you can determine such information as wattage and voltage ratings, dimensions, resistance values, terminals, mountings, inductive characteristics, temperature rises, maximum operating temperatures and temperature coefficients, as well as Resistor Color Code, Preferred Number System and other important data.

Unbound from a 1943 electrical engineering magazine, this unique old one-page advertisement would display beautifully matted and framed. Nice graphics. World War 2 propaganda. A fabulous addition to your retro electrical library.