Illustration showing various instruments used in vibratory massage. Round or square Concussor Plates, Concussor Rollers, Balls and Discs, Roller with rotating cylinders and ebonite, Rotating hammers and Centrifugal Vibrator
Licence: In copyright
Credit: Illustration showing various instruments used in vibratory massage. Round or square Concussor Plates, Concussor Rollers, Balls and Discs, Roller with rotating cylinders and ebonite, Rotating hammers and Centrifugal Vibrator. Wellcome Collection. Source: Wellcome Collection.