Labels:text | tool OCR: Columbus tells of the "bouncing balls" he found in Haiti. However, Spaniards never could find a use for the substance they called "elastic gum." Near the end of the eighteenth century, chemist Joseph Priestly discovered that the material could be used to "rub out" pencil marks, hence the name, "rubber." But rubber had no other uses since it was brittle when cold and sticky when warm. Charles Goodyear tried to improve rubber without success until one day he dropped his rubber/sulfur mixture on a All isolated hot stove. He patented his "vulcanized rubber" objects in PAIAS the Object in 1844, but so many people infringed on it that CLIPPING Series have a custom Goodyear died penniless in 1860. path embed- ded into the high resolution JPEG compressed TIFF file. PhotoDisc, Inc. PhotoDisc Europe ...
