<p>Original 1943 electrical trade vintage ad for<b><span style="font-size: 14px;"> OHIO BRASS COMPANY. </span></b>Main office and plant was located in Mansfield, OH.</p><p> Manufacturers of Insulators. </p><p>Why hope for definite strength when you can get it by specifying O-B Suspension Insulators.</p><p>Every O-B insulator is individually rated for strength of the minimum unit, and the rating is permanently marked on the cap. Not one O-B unit will fall below this value. Practically all will be above it. In 1978, Hubbell, Inc. purchased the Ohio Brass Company.</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 zl495
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