Original 1943 electrical trade vintage ad for BROWNING LABORATORIES, INC.  Main office and plant was located at 751 Main Street, Winchester, MA.

Manufacturers of Browning Signal System. A Product of Browning Laboratories Research.

Stopped by the Electronic Guard.  Solves Manpower Shortage.

The Browning Signal System lays down a protective wall, is on the job night and day, reduces guarding personnel, cuts guarding cost.

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.