Author Topic: Cooper Hewitt 450W mercury lamp  (Read 368 times)
marcopete87
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Cooper Hewitt 450W mercury lamp « on: February 06, 2024, 04:24:23 PM » Author: marcopete87
Hi all,
i found this youtube channel where is displayed a working condition Cooper Hewitt lamp!

https://www.youtube.com/watch?v=9X-GDPE42i4
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WorldwideHIDCollectorUSA
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HID, LPS, and preheat fluorescents forever!!!!!!


Worldwide HIDCollectorUSA
Re: Cooper Hewitt 450W mercury lamp « Reply #1 on: February 06, 2024, 04:25:21 PM » Author: WorldwideHIDCollectorUSA
This person was a former member of LG.
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.

DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.

Laurens
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Re: Cooper Hewitt 450W mercury lamp « Reply #2 on: February 06, 2024, 04:38:11 PM » Author: Laurens
Love it. Interesting to see how much effort they put into making such a lamp that seems meant for office/drafting work, yet does not have any color rendering to speak of. God i want it. Wouldn't dare to move it, the amount of mercury is definitely a bit scary!
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RRK
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Roman


Re: Cooper Hewitt 450W mercury lamp « Reply #3 on: February 09, 2024, 01:14:54 PM » Author: RRK
Interesting dinosaur unexpectedly brought to life )

These probably survived from obsolescence used for some photo work. Exposing orthochromatic materials or blueprints, or may be some kind of photoresist. Note the address of the supplier is in Rochester - a Kodak town. I think this is not coincidence.

As a bonus liquid mercury cathode has practically unlimited life, and probably not limited for a number of starts - though the glass may get solarized over time and lose some UVA/blue light transparency.
 
Yes, one thing I would be personally a bit afraid - the lamp contains a substantial amount of mercury and if it accidentally get broken, cleaning this up will be a major effort...
« Last Edit: February 09, 2024, 01:23:46 PM by RRK » Logged
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