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American Plastic
Plastic materials have become so numerous that you cannot go through a single day without touching something made of plastic. Toothbrushes, ballpoint pens, unbreakable dishes, cabinets and knobs for machines and appliances, light switches all of these things and many more are made of plastic.
It seems hard to believe that before 1869, there was no such thing as plastic. The first plastic, celluloid, was invented in 1869 by John Wesley Hyatt, (Meikle 5). A $10,000 prize had been offered to anyone who invented a material that could replace ivory for making billiard balls. In his experiments, Hyatt dissolved nitrocellulose and camphor in alcohol. This produced a solid, white material that could be pressed into blocks. The celluloid blocks could then be cut and ground into billiard balls. Mr. Hyatt won the prize and patented his invention (10, 11). For more that 40 years afterward, Hyatt's celluloid was the only kind of plastic.
Manufacturers began......
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Title: A Bridge To The 18th Century
Approximate Word Count: 572
Approximate Pages: 3 (250 words per double-spaced page)
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A Bridge To The 18th Century
a bridge to the 18th century. Building a Bridge to the Eighteenth Century By:
Neil Postman Neil Postman identifies himself as a "neo-Luddite". ... ... -
A Bridge To The 18th Century
a Bridge to the 18th Century. American Plastic Plastic materials have become
so numerous that you cannot go through a single day ... ... -
Change Of Transportation
... throughout the county during the 18th and early ... By mid-century, individual towns
purchased most of the ... a statewide program of covered bridge construction began ... ... -
Industrial Revolution
... Until the early 18th century the working of iron has been restricted by a practical ...
in the Darby family's own construction of the first iron bridge, and in the ... ... -
Orientalism
... İstanbul is like a bridge which connects Asia to Europe or ... Leander's Tower from 18th
Century and fountains, mosques and medressahs, distinguished specimens of ... ...
