Mystery bulb « on: November 12, 2009, 02:56:26 AM » Author: tmcdllr
Found this at work, and have no idea what it could be for as we do not have a fixture for it. It is a Sylvania 5 foot 40 watt T8 and as near as I can make (ink is a little smudged), F40/730/ECO, 3000K. What could this possibly be for, a sign maybe?
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Nothing like the beautiful cool white light of a coated Mercury Vapor lamp and the soothing hum of it's magnetic ballast.

	Re: Mystery bulb « Reply #1 on: December 01, 2009, 11:45:31 PM » Author: tmcdllr
Nobody? I've googled it and still can't figure out what it's for.
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Nothing like the beautiful cool white light of a coated Mercury Vapor lamp and the soothing hum of it's magnetic ballast.

	Re: Mystery bulb « Reply #4 on: February 25, 2010, 09:49:21 AM » Author: DieselNut
I got several of these a while back from a display cooler.
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Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!