Show PROPELLER FOR SKIERS KIERS Motorized skiing sIding Is a novel ovel sport recently made possible by means of ofa a small small- air all propeller driven by bi a alight alight light motor that is strapped on the back of the skierS skier says Popular Science Science ence Monthly for December rhe The invention from Germany is said to enable an experienced skier sIder to travel tray trav el on the level at high speed The propeller is started and stopped b ba by bya a a pneumatic device similar to that which operates a camera shutt shutter J |