muscular energy efforts / muscular energy / increased energy / muscular energy differences / ingenious mechanical device / slight energy differences / slighter energy differences / energy difference / energy differences / energy / /
Person
Elmer Gates / /
Position
psychologist / pianist / skilled player / Professor / /
“Training the Will.” The Golden Penny (July 7, 1900), p.10. TRAINING THE WILL A Wonderful Instrument by Which It Is Possible to Test the Mind’s Power. Strange as it may seem, the peculiar looking instrument shown