Show Imagine the Sound When They Are All Sounded Together The Sparks Sparks- Sparks company at Jackson Jackson Mich Mich- has just made an addition to their experimental room Noisier than a boiler factory said D. D Shaw a recent visitor to the th plant In this room ho he ho ex explained ex- ex they cultivate the voices of at Sparton Spartan safety signals One Spartan Spartan Spartan Spar Spar- tan can be heard for tor blocks Imagine Imag Imag- ine inc if It you yoL youcan can a roomful l of ot them all aU going at the Ia same e time Ume Increased has also allo caused the company to work two shUt shifts shifts shifts-a 4 ia day and night shift Tho The Sparton as aa asan asan an efficient s 's safety ate ty signal Is gaining in favor every day Many contracts are being closed for US use of at the Sparton Sparton Spar Spar- ton o on ox 1916 ca cars The The Sparton tone that always gets attention that Is always heard and heeded Is no doubt the great cause for lor Spartan popularity larity Tho manufacturers The take great pride In th the true tro Sparton note The vi vi- vi bran bract tone that can bo be heard hear long tong distances In the country country- country and and tho the quick decisive smash noto note tor Incy ency situations on city streets The Tho diaphragm of at each Sparton SPartan safety signal is carefully hand hammered ham hammered by skilled w workmen until has It has Just the right vibration Every tooth on the tim actuator is ground to a a clean edgo edge so so it will produce tim this Sparton uniform tone Tho The experimental room at lat the tho fa fac tory Is entirely devoted to trying testing sounding the signals over and andover andover andover over again until each gives forth the p peculiar cullar specific Sparton call |