BulbCollector Forums
BULB DISCUSSION BOARDS => Antique Bulb Discussion => Topic started by: paganfl on August 16, 2000, 03:49:00 pm
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Here is a mystery bulb I have.Screw base but does not fit Edison socket very well.Three loop filament.Stamped JAPAN on the brass near where the glass joins.Etched 115-8 on the side. Any ideas?? (http://members.aol.com/paganfl/bulb.jpg)
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In response to your question, this is probably a "value branded" sign lamp imported from Japan. We used to get thousands of cheap brand light bulbs from Japan, Austria, and Germany. I too have a similar sign lamp with three loop carbon filament (that's what your bulb has too), made in Japan. Speaking of your base not fitting in an Edison socket well...it might be because of the corrosion on your base, or the base might have not been fabricated very well. Japanese light bulbs at that time (before WWII) were made with very primiative technology. I have also experienced diffculty inserting a few Japanese lamps...but those I had problems with have candelbra bases (small size). Hope this helps!