EAST CLEVELAND, Ohio (AP) — At least one of five century-old incandescent light bulbs still works after being pulled from the cornerstone of a Cleveland-area building along with a time capsule.

The Plain Dealer reports (http://bit.ly/GUrSIB) GE Lighting began a 100th anniversary celebration of the Nela Park operation on Monday at one of the park's original buildings at the East Cleveland research center.

The lead-box time capsule held photos of Nela founders, journals, a book of technical specifications and a Plain Dealer. The 40-watt light bulbs were packed in sand above the box.

A special socket was used to show off one of the bulb's longevity. The rest went to a research lab.

The Nela industrial park was listed in 1975 as an historic place by the U.S. Department of the Interior.

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Information from: The Plain Dealer, http://www.cleveland.com