Author Topic: What did you do today lighting wise?  (Read 287671 times)
108CAM
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Re: What did you do today lighting wise? « Reply #1500 on: March 07, 2024, 05:35:14 PM » Author: 108CAM
Over the past few weeks I've continued restoring lights, finally got a 4x40w Daylite Adelaide, met another collector and plan to pick up more goodies for my collection. Among the items include some louvred fluorescent fixtures that use the very long PL lamps or Not-So-Compact CFLs as I like to call them. I'll keep a few in original condition for my collection, convert some to linear fluorescent and use the remainder as a source of spare parts for my stockpile.
I also typed the 1500th reply to this topic.
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Re: What did you do today lighting wise? « Reply #1501 on: March 10, 2024, 09:23:36 AM » Author: Laurens
Made a bracket and base so i can put my Philips MLR 160w (mixed MV/incandescent with fluorescent reflector coating) pointing up to the ceiling. It gives a very nice indirect lighting with soft shadows, when i need extra light during the daytime (my windows are facing the east, especially when in summer time the big chestnut tree next to the house blocks a lot of light, it can be quite dark in here). For nighttime use, it's a bit much of course. All in all, it's an excellent way to make it as bright inside as it is outside. 
The light quality is very good. CRI is 64ish but everything looks subjectively a lot better than with the 55-65 CRI fluorescent tubes.

I might eventually re-make this 'base' in such a way that it's nice and symmetrical, and more of a diamond shape. I'm quite decent at making things from brass tubing but i first have to make absolutely sure that the very hot lamp doesn't get close to the melting point of the solder, making the diamond-shape self destruct.

Side note: good lord i need to find a way to manage all those cables a bit better. That's the one thing i hate about having electronics as a hobby. Cables. Wires. Tangles. Everywhere. Inevitable. Infinite.
« Last Edit: March 10, 2024, 09:28:27 AM by Laurens » Logged
Danny
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Re: What did you do today lighting wise? « Reply #1502 on: March 10, 2024, 12:34:59 PM » Author: Danny
This could probably do with a new topic  :'-) its loooooooooooong
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Re: What did you do today lighting wise? « Reply #1503 on: March 10, 2024, 02:35:04 PM » Author: Mandolin Girl
Yeah, it has been going for a while  :'-)

I have it set to display in reverse order so the latest post appears at the top of the page, that might help.
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Re: What did you do today lighting wise? « Reply #1504 on: March 10, 2024, 02:46:13 PM » Author: Mandolin Girl
It is the thread with the most posts by quite a bit... :poof:
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LightsAreBright27
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Re: What did you do today lighting wise? « Reply #1505 on: March 11, 2024, 06:12:10 AM » Author: LightsAreBright27
Found a slightly used crompton 58w T8 daylight tube on the side of the road. Idiot me dropped it on the floor thinking it was just a stick and shattered it :'(. Was my first and only 58w tube, it even had a unique etch with I different crompton logo.

Oh and for the fact that this topic now has 1505 replies, if there isn't a server problem, we could just continue on this one and make it even longer!
« Last Edit: March 11, 2024, 06:22:39 AM by LightsAreBright27 » Logged

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Re: What did you do today lighting wise? « Reply #1506 on: March 13, 2024, 06:35:55 AM » Author: LightsAreBright27
Today I found these Korean made osram 36w pl-l in 865 near where I found the 58w tube. There were some more 36w linear tubes and some 250w HPS lamps but I had too many of them.
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Re: What did you do today lighting wise? « Reply #1507 on: March 15, 2024, 03:12:07 PM » Author: Laurens
I went to Jowa Recycling today, a scrap and technical materials merchant in my city. It's a true maze with the walls being built with literally everything you can imagine. Some stuff has been there for decades, because new stuff is just stacked on top of old stuff if there's no valuable metal inside of it.

I spotted a little box of bulbs, and fished out a nice spherical Philips ML160 lamp. It appears to be one without phosphor coating. Although the etch says just ML160 and philips 57500e/56, the wrapper says MLL160 which indicates a coated lamp. But with the spectroscope, i cannot see any spectrum lines that aren't either the mercury lines, or the filament continuous spectrum.

There were many, MANY more things to see (and buy!). I posted those on my gallery: https://www.lighting-gallery.net/gallery/thumbnails.php?album=8319
Check out all those old fluorescent fixtures, and the huge overhead lights they have! I think i even found a TL-X anti explosion fixture with the lamps still in it.
Everything's for sale there. Valuable metals eventually get removed and sold as scrap, but many things remain there for years, sometimes decades.
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Re: What did you do today lighting wise? « Reply #1508 on: March 15, 2024, 07:25:02 PM » Author: Caroline
Was on my way to get some bread when I spotted two guys cleaning a shop, that's always a good sign so I went up to them and asked if they were throwing out anything electrical, one nodded and pointed me to a box with a bunch of old sockets, holders and a 250 watt coated metal halide bulb, they didn't knew if it works but I got that + the E40 holder for free, thanked them and went to buy bread.

It's super dirty and covered in grease so will test it once it's clean.
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Re: What did you do today lighting wise? « Reply #1509 on: March 16, 2024, 08:53:57 AM » Author: AngryHorse
Tried to recreate that bygone mercury look by running a collection of LED filament lamps next to an actual 80 watt mercury lamp!
……it’s impossible!, mercury is its own unique colour that can’t be copied or even gotten close to!, it’s even more infuriating trying to capture similarities on camera!  :poof:  :lol:
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Re: What did you do today lighting wise? « Reply #1510 on: March 16, 2024, 04:18:20 PM » Author: Andy
I've noticed this myself, there's just nothing else that can replicate the colour of mercury lamps.
The output spectrum is just unique.
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Re: What did you do today lighting wise? « Reply #1511 on: March 16, 2024, 08:55:28 PM » Author: Caroline
Turns out that bulb I got was a mixed light with metal halide and a filament that allows instant light and acts as ballast. It's a GE brand 250 watt made in Brazil, works just fine and indeed has an unique colour to it, starts as a regular frost glass incandescent then gradually gets the typical green-ish tint from the metal halide. :bulbman: 4200K temp and 52 Ra according to GE, I believe them.

I might have cleaned it too much because it's super shiny now, I wanted to take some pictures while off but I can't without autodoxxing myself, which I won't do, and if I try to take pics while on all I get is a blurry bright egg and 50Hz flicker.
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Re: What did you do today lighting wise? « Reply #1512 on: March 16, 2024, 09:19:17 PM » Author: suzukir122
 :wndr: A self ballasted 250w Metal Halide? I thought those were typically Mercury Vapor? That would be awesome if there are filament based higher wattage self ballasted Metal Halide lamps out there.
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Re: What did you do today lighting wise? « Reply #1513 on: March 16, 2024, 10:05:59 PM » Author: Patrick
It's actually mercury vapor.  See 250w GE Mixed Light.
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Re: What did you do today lighting wise? « Reply #1514 on: March 17, 2024, 08:47:29 AM » Author: Rommie
Indeed. There are a number of Chinese-made halogen-ballasted MV lamps on the market that are advertised as MH but they aren't.
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