Original 1943 electrical trade vintage ad for NATIONAL ELECTRIC PRODUCTS CORPORATION.  Main office and plant was located in Pittsburgh, PA.

Manufacturers of Rub-r-Less Wire.

No Rubber, No Synthetic, No Tin.

Approved by the Underwriter's Laboratories, Inc for use as a substitute for rubber insulated wire under conditions stated in Interim Amend. Nos 44 and 69 covering Sections 3005 of the N,E, Code.

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.