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#168848 - 09/18/07 01:22 AM Identify this bulb  
Trumpy  Offline


Member
Joined: Jul 2002
Posts: 8,211
SI,New Zealand
Photo and info supplied by ECN Member KJ
Any idea where I can get more info on this bulb,
its an Edison Mazda, circa 1915, it has a black ink 'ibd'marking written on the base of the filament glass and amazingly still works.

[Linked Image]


Last edited by Trumpy; 09/18/07 01:24 AM.

Tools for Electricians:

#168849 - 09/18/07 01:48 AM Re: Identify this bulb [Re: Trumpy]  
frenchelectrican  Offline
Member
Joined: Feb 2003
Posts: 939
Wi/ Paris France { France for ...
that bulb is one of the " Edison " days style and this is a carbon filment type and the watage i think about 20 watts or so it is not very bright whistle

but to find this old bulb i will say not too often you will see one around here

Merci , Marc


Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)


#168878 - 09/18/07 10:28 PM Re: Identify this bulb [Re: frenchelectrican]  
Hemingray  Offline
Member
Joined: Apr 2005
Posts: 199
Lehigh Acres, FL
Actually, that's an early tungsten lamp. Carbon lamps weren't designed in a caged filament shape. You can learn more about old bulbs at http://bulbcollector.com



Have fun! smile


Last edited by Hemingray; 09/18/07 10:29 PM.

Cliff

#168889 - 09/19/07 09:56 AM Re: Identify this bulb [Re: Hemingray]  
Mike Wescoatt  Offline
Member
Joined: Jun 2001
Posts: 161
Cedar City, Utah
Here is a replica that you can buy...

rejuvenation.com


Mike Wescoatt

#170021 - 10/24/07 10:19 AM Re: Identify this bulb [Re: Mike Wescoatt]  
Last Leg  Offline
Member
Joined: May 2005
Posts: 41
Houston, Texas
Put your glasses on, Mike !!


#170030 - 10/24/07 04:33 PM Re: Identify this bulb [Re: Last Leg]  
mamills  Offline
Member
Joined: Nov 2001
Posts: 745
Wharton, Texas, USA
Mike: Does that lamp have a little vacuum tip on the glass envelope?

Nice little lamp. I's like to find something like that, hook it up to an autotransformer to set the voltage very low, and keep that thing burning in my office all the time.

Mike (mamills)

Last edited by mamills; 10/24/07 04:34 PM.

#170054 - 10/25/07 09:37 AM Re: Identify this bulb [Re: mamills]  
Mike Wescoatt  Offline
Member
Joined: Jun 2001
Posts: 161
Cedar City, Utah
Yes there is a tip on top of the bulb. I have one set up at line voltage ant it isn't very bright... it consumes 40W but only puts out about as much light as a modern 25W lamp. More of a piece of art than a functional lamp.

Now if I could find a lamp like Edison's first trials with the long evacuation tube on the side of the bulb...


Mike Wescoatt

#170117 - 10/26/07 10:40 PM Re: Identify this bulb [Re: Mike Wescoatt]  
SvenNYC  Offline
Member
Joined: Aug 2002
Posts: 1,691
New York City
Originally Posted by Mike Wescoatt
Here is a replica that you can buy...

rejuvenation.com


Wonder what's going to happen to the market for those under the Australian incandescent light bans. Would they be considered a specialist application? frown


#170172 - 10/29/07 07:43 AM Re: Identify this bulb [Re: SvenNYC]  
Texas_Ranger  Offline
Member
Joined: Dec 2001
Posts: 2,392
Vienna, Austria
Yes, those old straight filament tungstens were pretty dim. I have one with an E14 base dating back to at least the 1950s (got it from a friend of mine who said his grandparents put it down in the basement back then and never looked at it again) and it gives a very warm, reddish light. Modern 15W bulbs are a little like that but more yellow than red.



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