<p>Original 1943 electrical trade vintage ad for <b><span style="font-size: 14px;">OKONITE-CALLENDER CABLE COMPANY. </span></b>(Hazard Insulated Wire Works Division). The Main office and plant was located in Passaic, NJ.</p><p> Manufacturers of Paper Insulated Wire Cables. </p><p>Insulation Stability at High Temperature with Metallized Paper Tapes.</p><p>Today's heavy loads on power cables develop temperatures that will hasten deterioration of the insulation unless the proper safeguards are incorporated. Studies made in the Okonite-Callender Research Laboratories had shown that one of the big factors in the deterioration of oil-impregnated paper-insulated cables is the effect of the metal in contact with the oil. Copper especially has a very pronounced reaction.</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 zl503
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