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Show AUTOMATIC mmniiAK ALAItM PHONES l-'OH HHLP Hereafter armed robbors that enter en-ter a bank and "cover" tho cashlors with rovolvers, preparatory to gathering gath-ering up tho money, may find that thoy aro not as secure from attack as tho submissive men In front of them would Indicate, for tho bank may bo protected with a recently devised de-vised secret signal system that auto-t auto-t matically telephones for holp In such an emergoncy. This protectlvo system sys-tem Is described In tho April Popu lar Mechanics Magazine. To operate tho alarm ono has only to press a hlddon electric button with his foot or knee. All the apparatus, save the button, Is located In another room, or in a cabinet, out of hearing of tho bandits. Pressing tho button causes a lifting device to raiso tho receiver hook of a telephone, by means of a cord, thus making connections with central. Simultaneously a small-slzo small-slzo phonograph, situated in front of tho telephone transmitter, begins to operate, repeating again and again somo such messago as this: "Help! Kobbers! Send pollco to Third National Na-tional Bank!" Tho tlophono girl, on hearing this appeal, will immediately notify the police. An obvious advantage ad-vantage of this system Is that tho robbors aro wholly unaware that any alarm has been turned In nnd jo tholr capture Is much more proboblo. |
