Original 1943 electrical trade vintage ad for STRUTHERS-DUNN, INC.  Main office and plant was located at 1321 Arch Street, Philadelphia, PA.

Manufacturers of Relays, Relay-Timers.

Dunco High Efficiency Relays for Small-Space Use.

Dunco Midget Relays have established new standards of performance in a wide variety of applications where space is at a premium, and where dependability under exacting conditions of use are essential. 

Products include models 1XAX, 1XBX, 1XCX, 1BXX, 58XXD and 58EXX are all featured.  Has numerous product images.

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.