Show Composition of Celluloid Celluloid Is nn an artificial substance nu made le by mixing gum camphor gun guncotton guncotton guncotton cotton nn and 1 other substances and then subjecting them to hydraulic pressure A kind of or celluloid was made mn In at- at Birmingham England but the tn- tn invention In Invention of ordinary celluloid Is usually usually ally credited 1 to lo John W IV Hyatt of New New- Newark Newark Newark ark N J who with hIs Ills brother devel el developed developed an Important industry The exact process of celluloid manufacture Is Isa Isa Isa a trade secret One method Is rough rough- roughly roughly roughly ly as ns follows Dry guncotton Is well wa washed hed and dried and ground fine under water ater after which the water Is remo e removed 1 and the mass subjected to great pressure Then camphor and coloring matter are added Celluloid Is used as ns n for Ivory hory bon bone hard 1 rubber coral leather and many other substances It Is not explosive but easily easily lighted ted nn and 1 burns rapidly |