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  2. Timeline of plastic development - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_plastic...

    Parkesine, the first member of the Celluloid class of compounds and considered the first man-made plastic, is patented by Alexander Parkes. [4] 1869: John Wesley Hyatt discovers a method to simplify the production of celluloid, making industrial production possible. 1872: PVC was accidentally synthesized in 1872 by German chemist Eugen Baumann ...

  3. Celluloid - Wikipedia

    en.wikipedia.org/wiki/Celluloid

    Celluloids are a class of materials produced by mixing nitrocellulose and camphor, often with added dyes and other agents.Once much more common for its use as photographic film before the advent of safer methods, celluloid's common present-day uses are for manufacturing table tennis balls, musical instruments, combs, office equipment, fountain pen bodies, and guitar picks.

  4. Necklace - Wikipedia

    en.wikipedia.org/wiki/Necklace

    Evidence of early Upper Paleolithic necklace making in southern Africa and east Africa dates back to 50,000 BP. [2] By the Bronze Age metallic jewellery had replaced pre-metallic adornments. [3] Necklaces were first depicted in statuary and art of the Ancient Near East, and early necklaces made of precious metals with inset stones were created ...

  5. Costume jewelry - Wikipedia

    en.wikipedia.org/wiki/Costume_jewelry

    An example of gold plated jewelry. Originally, costume or fashion jewelry was made of inexpensive simulated gemstones, such as rhinestones or lucite, set in pewter, silver, nickel, or brass. During the depression years, rhinestones were even down-graded by some manufacturers to meet the cost of production. [1]

  6. Bakelite - Wikipedia

    en.wikipedia.org/wiki/Bakelite

    The retro appeal of old Bakelite products has made them collectible. [4] The creation of a synthetic plastic was revolutionary for the chemical industry, which at the time made most of its income from cloth dyes and explosives. Bakelite's commercial success inspired the industry to develop other synthetic plastics.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Imitation pearl - Wikipedia

    en.wikipedia.org/wiki/Imitation_pearl

    Plastic pearl has plastic core coated with a pearlescent material. [1] Roman pearl is an alabaster core coated with a pearlescent material. [1] Shell pearl. Cut, buffed, and sometimes dyed nacreous portions of mollusk shells: Variations and alternate names include cat's-eye pearl, coque de perle (from nautilus shells), mother-of-pearl pearl ...

  9. Why is it called Black Friday? Here's the real history behind ...

    www.aol.com/news/why-called-black-friday-heres...

    According to the History Channel, the name was first used to describe an 1869 financial crisis, in which corruption and stock fraud caused the U.S. gold market to collapse entirely.