Show Range Gun Fires Steel Ban Balls I A range gun to be used in teaching gun Ia laying ing and pointing has bas been een Invented Invented Invented In In- vented by Capt B B. B H H. Stillman assistant assistant assistant as as- professor of ot military science and tactics at the University of ot California California Cali CalI- fornia fornIa says Popular Mechanics Maga Maga- zine The Time gun a wooden affair worked by a spring fires quarter inch q inch arter-inch steel steel- bearing balls The spring tension is so adjusted that one inch on the time range used equals fifty yards The steel projectiles projectiles pro pro- fall tall on a sand table eight by fourteen feet teet In size on and tiny bursts of sand mark the shell puts Small wooden wood wood- en model battleships are used for tor targets targets targets tar tar- gets on ranges equivalent to yards |