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

Lower Heat Rise, No Burned Contacts, Sure Indication.

Streamlined. Conserve vital metals, yet comply with all NEMA Cutout Standards. No other Porcelain Housed Primary Cutouts give you as many advantages as these time-tested Dropdown Indicating Type Matthews Cutouts.

Has numerous product images, descriptions and applications to 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.