Electro-Magna Coil Co. brochure
Syracuse, New York: Electro-Magna Coil Co. circa 1931. 9 x 14 inches, double folded into a brochure sized for mailing. Creased, some edgewear, browned. Good.
A brochure for the Electro-Magnetic Rays created by the Electro-Magna Coil. Internal sections with many testimonials, an images of the device on the front..... More