Ward-Jackson's gymnastics for the fingers and wrist : being a system of gymnastics based on anatomical principles, - for developing and strengthening the muscles of the hand for musical, mechanical, and medical purposes / by E. Ward-Jackson.

Licence: Public Domain Mark

Credit: Ward-Jackson's gymnastics for the fingers and wrist : being a system of gymnastics based on anatomical principles, - for developing and strengthening the muscles of the hand for musical, mechanical, and medical purposes / by E. Ward-Jackson. Source: Wellcome Collection.