Electro-Chemical Ring. Cures Diseases Caused by Acid in the Blood See the Guarantee . . . [wrapper title].
Toledo, O. Electro-Chemical Ring Co., [1911]. First edition thus. Unbound brochure, 6 x 3.5 inches, [4] pages. Illus. An attractive little quack promotional pamphlet for a ring purported to draw acid from the blood, here made up entirely of testimonial letters dated 1911 attesting to the efficacy of the ring..... More