Show SLOT MACHINE THAT SPEAKS RE RESISTS JJ BAD D COINS Please us use good coins only These words spoken distinctly by a n. hidden voice admonish anyone dropping wooden nickels slugs or other spurIous coins In a a.- slot machine machine ma mn- chine recently Introduced says Says' Popular Popular Pop Pop- ular Mechanics magazine The Tho se secret se- se cret isan electrical arr arrangement by which the slug slug- Is ejected and at nt the same time a R. record r cord Is automatically switched s' on t to reprimand the offender of- of tc fender der In a a a- a aloud loud voice olee that can b bh be h heard hard ard a a. considerable distance |