Original 1943 electrical trade vintage ad for STACKPOLE CARBON COMPANY. Main office and plant was located in St. Marys, PA.
Manufacturers of Molded Metal Contacts.
The First Silver-Graphite Contact ever molded from powders, was a Stackpole product.
Almost two decades have passed since Stackpole revolutionized circuit breaker and control equipment performance by producing a molded silver-graphite contact, at the suggestion of Westinghouse engineers, which enabled a 50 ampere continuous-rated unit to handle 5,000 amperes on a short circuit.
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.
Stackpole Carbon Company 1943 vintage electrical ad silver-graphite
- Product Code: zl528
- Length: 11 inches
- Width: 8 inches
- Pages: 1
- Views: 37
- Availability: In Stock
- $30.00
$22.50
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