A 1940's era airplane graces the navy blue cover of this volume from the Popular Science Library, which is on Physics. Among the page loops that bellow forth, revealed are photographs of a young Einstein and Tesla and a "Huge Gyroscope", as well as a bevy of drawings diagramming such things as Vibrations of an Elastic Cord and Sound Waves. Also included is a cluster of chapter pages. Original end pages have been retained. Published in 1939.
8w x 8d x 11l " || 30" hanging cord which can be shortened