Propeller Clock by Authentic ModelsDuring the Great War, from 1914 18, a new kind of art flourished. Hand crafted creations from gifted soldiers and army personnel became known as trench art. They used whatever material was at handbullet shells, wood, and fabric, during an era when planes were built from fabric on a frame. Popular fabrications included lighters and clocks made in all shapes and sizes. Our aluminum propeller clock was probably designed by an airplane engineer at a time