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1920 AD FOR INTRO OF CONE SHAPED BULB
https://oldchristmastreelights.com/forums/viewtopic.php?f=7&t=189
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Author:  maria [ Mon May 09, 2016 9:13 pm ]
Post subject:  1920 AD FOR INTRO OF CONE SHAPED BULB

1920 AD FOR INTRO OF CONE SHAPED BULB

Attachments:
1920INTRO.jpg
1920INTRO.jpg [ 74.2 KiB | Viewed 11433 times ]

Author:  paulrace [ Mon Jun 06, 2016 5:49 am ]
Post subject:  Re: 1920 AD FOR INTRO OF CONE SHAPED BULB

That's cool, Maria, I think it's an important indicator of how and when the bulb shape shifted.

I've added your graphic to the main archive at the bottom of this page:

http://oldchristmastreelights.com/1900_1920_page_2.htm

Thanks bunches,

Pau

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