<p>Original 1943 electrical trade vintage ad for<b><span style="font-size: 14px;"> STRUTHERS-DUNN, INC. </span></b>Main office and plant was located at 1321 Arch Street, Philadelphia, PA.</p><p> Manufacturers of Relays. Timers. Dunco "Memory" Types.</p><p>The Relays That Never Forget.</p><p>Struthers-Dunn Mechanical Latch-In, Electrical Reset Relays have fool-proof memories. The indicate what operations have been made on your equipment. The guard against mistakes. The contacts "remember" unfailingly which coil was last energized, by remaining in position until they are released by energizing the other coil.<br></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 zl536
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