pg 206 Forearm muscles
From the book The Human Body and Health Revised by Alvin Davison, published in 1908 by Alvin Davison. This book has a copyright of 1908 by Alvin Davison and one in 1924 by American Book Company. The copyright was never renewed and therefore should be in the public domain.
This is an illustrations of the muscles in our arm, specifically our forearm.