Hamlin's Wizard Oil Co.

Hamlin's Wizard Oil Co. was a patent medicine manufacturer and distributor, founded in 1862 by John A. Hamlin and Lysander B. Hamlin as "J. A. Hamlin & Bro", and reorganized in 1881 as "Hamlin's Wizard Oil Co." They were most well-known for the product their company was named for, "Hamlin's Wizard Oil", which they promoted with travelling sales troupes who performed medicine shows across North America.

Hamlin's Product Line

 * Hamlin's Wizard Oil
 * Hamlin's Cough Balsam
 * Hamlin's Blood and Liver Pills

Performance Books

 * "Humorous and sentimental songs: as sung throughout the United States by Hamlin's Wizard Oil Concert Troupes in their open air advertising concerts" (archive.org) &mdash; a collection of lyrics and lectures about the benefits of Hamlin's Wizard Oil.