<p>Original 1943 electrical trade vintage ad for <b><span style="font-size: 14px;">INTERNATIONAL RESISTANCE COMPANY. </span></b>Main office and plant was located at 427 North Broad Street, Philadelphia, PA.</p><p> Manufacturers of Resistors. </p><p>Measuring Stress at 60 MPH, calls for IRC Resistors.</p><p>A locomotive driving-rod packs plenty of power as it hurtles its heavy load over the rails. To detect and accurately measure stress changes in driving rods, under actual running conditions, presented an exciting challenge to engineering ingenuity.</p><p>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.<br></p>
- SKU zl448
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