A book on developing grip strength, by George F. Jowett, a strongman from the early 20th Century.
Molding A Mighty Grip : George F. Jowett : Free Download, Borrow
Molding A Mighty Grip
Molding a Mighty Grip by George F. Jowett
Molding a Mighty Grip Archives
Molding a Mighty Grip Archives
Wonder Stories v03n03 (1931 08) : Free Download, Borrow, and Streaming : Internet Archive
Arthur's Books and Collectibles : 1932 MOLDING MIGHTY MEN SERIES, GEORGE JOWETT, MINT
Jowett Molding A Mighty Back
Jowett Molding A Mighty Back