Original 1943 electrical trade vintage ad for JOHN C DOLPH COMPANY.  Main office and plant was located at 166-8 Emmett Street, Newark, NJ.

Manufacturers of Black Polymerizing Varnish - Synthite PX-5.

Not only does Synthite PX-5 Black Baking Varnish cut baking time to a minimum, but it also provides better insulation with less coats, thus reducing the number of treating cycles. It possesses excellent flexibility found in the better grades of oxidizing types of varnishes as well as the deep curing properties of synthetic types.

Has product descriptions, applications and specifications to provide extensive 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.