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Recent Posts

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1
Just to add, there are some similar bulbs on fleabay right now.
Different make, but 6,000 lumen series bulbs, current rating not stated but might be 20 amp.

Search for "series street lighting bulbs" if interested
2
Needs a picture to be certain. But it sounds like a series street lighting lamp.

20 A probably refers to the current rating, 20 amps was the largest common current rating.
6000 l Probably refers to the light output, 6,000 lumens.

Large numbers of lamps were burnt in series from a high voltage constant current source, these lamps could be of differing sizes provided that all had the same current rating.
These lamps were rated by current and by light output, and not by wattage or voltage.

Very little used these days, but AFAIK at least one installation still exists.
A somewhat similar system is used today for lighting airfields.

If you wish to try the lamp, you need a very low voltage supply that can supply 20 amps. A 6 volt vehicle battery would serve.
3
Hi,
I'm a new member here and was wondering if anyone has come across a giant westinghouse bulb with a much larger than ordinary Edison base. The Bulb reads " GR Replacement, Westinghouse 6000l 20A USA Burn Base Up" I cannot find any information regarding this bulb anywhere.
Thanks,
Joe
4
General Discussion / New member - Hello!
« Last post by niby on January 27, 2019, 07:04:44 am »
Hello all,


New member from Sweden here with a growing interest in antique and vintage electric lights, lamps and installations which sadly doesn't match my knowledge yet. So I'll mostly be here to learn and ask, which I hope is ok with you.

I have a question about his lamp - I didn't manage to upload any images so I have linked to them instead below - (the lamp isn't mine and I don't have it with me). It's said to be a mercury lamp - but nothing more than that is known about it. It comes in a case and can be wall mounted, has an electrical cable (with the plug cut off by someone).

What can be said about it? Uses, age, name, etc? Would be very exciting to know more.

Many, MANY thanks in advance and best wishes from the North (yes Winter has come!),
Nils

IMAGE LINKS:
https://img.tradera.net/images/799/297189799_3336dbfc-d746-457e-b340-ba928aca7f45.jpg
https://img.tradera.net/images/799/297189799_08b0cd1b-1f1f-4286-a5ff-96da6aa0c2b2.jpg
5
Antique Bulb Discussion / Can you identify this bulb?
« Last post by timmc on January 20, 2019, 06:23:08 pm »
About 10 years ago we found a box of old bulbs in a storage unit.  We don't have any information on them, but we did sell a couple on ebay.  Someone mentioned that they may be switchboard lights, but I haven't seen any switchboard bulbs that look like these.

They have a number printed on the glass (I pulled out a few and saw 300 and 500 printed on them).   At the base on the metal, there is a handwritten number (different numbers).  Can anyone 'enlighten' me as to what these are and if they may have any current value?  We'd be truly grateful.
6
Wanted to Buy / Wanted Slicon Carbide Light Bulb
« Last post by kavon4 on January 17, 2019, 02:49:15 pm »
Hello!!

I am very interested in getting my hands on a Silicon Carbide filament based light bulb!

I am willing to commission a custom work for anyone up for the task.

Thank you and look forward to your expertise.

7
Hello All!

Excited to be on this forum that shares the joys of bringing light into the world.

I am currently in need of someone who is able to create custom light bulbs.
Specifically, a silicon carbide based light bulb to conduct experiments with at home.

If available to speak on the topic or point me in the direction of someone who can help, please message or email me and I will go over the project in more detail.

Thank you so much, I hope I am in the right place.

-Kavon


8
Wanted to Buy / WTB Socket, Screw, Prong and more type Plugs
« Last post by Pluggedin on January 15, 2019, 11:59:35 am »
Interested in buying plugs of all types including 2 prong, 3 prong, screw-in socket types and many more. Thanks.
9
Christmas Lighting / Large 900 Series Matchless Star Rebulbing Service
« Last post by zozman on January 03, 2019, 11:15:18 am »
Hello Group.

I have been collecting the large 900 series 1930s Matchless Stars for years. I have had collegues ask me how to rebulb them. I mean how can you enjoy them if they're not illuminated? After years of painstaking search, I found a manufacturing facility which can supply me with the correct wattage bulb to relamp these stars.

It's important to know that I am in favor or keeping things as they were in antique Christmas lighting. The bulbs that I have had made are similar in structure, diameter, color temperature and wattage to keep your large Matchless Stars operating.

Because this rebulbing requires several hours of service with the utmost attention to detail to keep each star original in appearance, I can do each at $25 with free return shipping. I would not need the crystal for my service. Those can be detached and kept by the qowner. All I would need is the ring base.

I can be reached with a PM or at zozman50@hotmail.com

Randy








10
Antique Bulb Discussion / Re: Looking for information on antique GE bulb
« Last post by Alexander on January 01, 2019, 04:57:27 pm »
Hello
Thst is an old mercury suntain lamp. It has a low voltage high current heating filament. That filament is ballasted. A mercury discharge will start.

I think your lamp is from the 30s.

For more information look here: http://www.lamptech.co.uk/Spec%20Sheets/D%20MC%20GE%20S2.htm

Best regards Alex
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