Downing's Improved Battery
|Downing's Improved Battery|
|Medical Claims||Healing via galvanic electricity|
|Creator(s)||Joseph M. Browning|
|Vendors||Downing Electric Co.|
Downing's Improved Battery is an electro-therapeutic medical medallion in the shape of a horse-shoe, patented in Canada on 13 October 1881, by Joseph M. Downing, and sold through Downing Electric Co.
The design of Downing's Battery is described as "composed of a copper ring surrounding a central zinc disc, said copper ring having radial arms, the spaces between which are filled up with zinc annular sections, and the whole enclosed within a horse-shoe rim."
- Downing, Joseph M. Electro-Galvanic Battery For Medical Purposes. Joseph M. Downing, assignee. Patent CA13548. 13 Oct. 1881. Print. <http://brevets-patents.ic.gc.ca/opic-cipo/cpd/eng/patent/13548/summary.html>
- "No. 13,548. Electro-Galvanic Battery for Medical Purposes." The Canadian Patent Office Record and Mechanics' Magazine Nov. 1881, p. 268.