Prediksi Soal Toefl ITP: Reading Comprehension

Most of the fastening devices used in clothing today, like the shoelace, the button, and the safely pin, have existed in some form in various cultures for thousands of years. But the zipper was the brainchild of one American inventor, namely Whitcomb Judson of Chicago. At the end of the 19th century, Judson was already a successful inventor, with a dozen patents to his credit for mechanical items such as improvements to motors and railroad braking systems.

He then turned his mind to creation a replacement for the lengthy shoelaces which were then used in both men’s and women’s boots. On August 29th 1893, he won another patent, for what he called the “clasp-locker”. Though the prototype was somewhat clumsy, and frequently jammed, it did work: in fact, Judson and his business associate Lewis Walker had sewn the device into their own boots. Although Judson displayed his clasp-locker at the World’s Fair held in Chicago in 1893, the public largely ignored it. The company founded by Judson and Walker, Universal Fastener, despite further refinements, never really succeeded in marketing the device. Baca lebih lanjut

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