Cellophane discarded in Dewberry lab. Beginning date for mass production of cellophane in the US from http://inventors.about.com/library/inventors/blcellophane.htm
1923 - 2006
Synthetic
October 2004 - March 2006
Archaeological work completed between 2004 and 2005 as part of a large scale construction of a subway infrastructure project in Battery Park and the adjacent area uncovered segments of the 18th-century defensive Battery, resources associated with Whitehall Slip, and ...
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Secant Pile 126, 5-10 feet below ground surface (SP 0126.2)
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(1790 - 1920)
(1965 - 2006)
(1923 - 2006)
(1970 - 2006)
