Original 1943 electrical trade vintage ad for SCHWEITZER & CONRAD, INC.  Main office and plant was located at 4435 Ravenswood Avenue, Chicago, IL.

Manufacturers of Power Fuses. Type "SMG".

Economical Substation Protection. 

S&C Type SMG Fuses Also Cut Use of Critical Metals.

For safe, dependable protection of transmission substation for power companies, large ordnance and war production plants, substations up to 138 KV, S&C Type SMG Power Fuses have many advantages. They have short circuit interrupting ratings up to 1,000,000 KVA, require relatively little space, and are simple to service. Their use saves tons of critical metals, both steel and copper.

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.