Quote:
Originally Posted by Hudson11
really? it was on all night.  |
I didn't see it at all. I just saw the mast lit up.
This is what I was looking for...
http://www.allledlighting.com/author...&doc_id=559438
Quote:
The capstone of 1-WTC's lighting will be a rotating beacon at the top of the spire. The beacon will project light in two opposing directions in a horizontal plane, like a lighthouse. It will rotate once per minute. John Gebbie sent this description of the beacon, developed by equipment suppliers J.R. Clancy and Strong Lighting: "...they developed the energy-efficient LED beacon which uses 50W LED modules, shot into a set of mirrors that concentrate the 288,000 lumens into a 1-degree beam spread, visible from miles away."
Once it lights up, the 1-WTC spire will be illuminated from dusk until 12:00 a.m. ET time.
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Last edited by NYguy; Nov 9, 2013 at 4:04 PM.
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