Original 1943 electrical trade vintage ad for W N MATTHEWS CORPORATION.  Main office and plant was located in St Louis, MO.

Manufacturers of Porcelain Housed Matthews Disconnecting Switches. (Established 1899).

Safe. Sturdy. Compact.

These switches are of the dead blade type, have ample insulation values, will not over-heat and will cause no radio noise interference at operating voltages.

Has numerous product images, descriptions, applications and specifications provide product details.

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.