Women use weight loss machines, U.S.A., 1936

At a fat reducing salon, a group of women use vibrating belts, sit on a rolling machine, and use a wiggling machine to demonstrate new ways of staying in shape, U.S.A., 1936. A version of this machine was famously promoted beginning in 1927 by John Harvey Kellogg at his Battle Creek Sanitarium, as the "Battle Creek Health Builder," with claims of additional health benefits.