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GE "GEM" Metallized carbon filament with two filaments in series circa 1905

GE "GEM" Metallized carbon filament with two filaments in series circa 1905

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Filaments still intact.

image~302.jpeg image~288.jpeg image~281.jpeg image~279.jpeg

Light Information

Light Information

Manufacturer:GE
Lamp
Lamp Type:Incandescent
Filament/Radiator Type:Two filaments in series, forming a loop
Base:Medium Skirted
Shape/Finish:S-30, frost bowl
Service Life:1000 hr
Electrical
Wattage:About 120w
Voltage:110-120v
Current:about 0.85A
Optical
Lumen Output:About 400 lumens
Lumen Efficacy:About 3-4 lpw
Color Temperature:2000K
Color Rendering Index:100
Physical/Production
Dimensions:About 7.5"
Factory Location:USA, exact location unknown
Fabrication Date:c 1905
Application/Use:GLS

File information

File information

Download: Download this File
Filename:image~281.jpeg
Album name:silverliner / Incandescent - General Service 25-100 watt
Keywords:Lamps
File Size:612 KB
Date added:Feb 17, 2017
Dimensions:2465 x 1848 pixels
Displayed:132 times
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-130748
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Comments
funkybulb
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Feb 17, 2017 at 10:37 PM Author: funkybulb
Nice rare find dave. Esp the larger wattage lamps

No LED gadgets, spins too slowly.  Gotta  love preheat and MV. let the lights keep my meter spinning.

Men of God
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jiachao.wei.71 chao_813975447 UChyTpXvlQ8ZCfBPP_lJjubg chao990613
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Feb 18, 2017 at 03:55 AM Author: Men of God
通电后还能亮吗?

我不会英文,所以我用中文,请你们用翻译网站翻译我打的字!

I can't in English, so I in Chinese, please use the translation website to translate my words!

rjluna2
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Robert


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Feb 18, 2017 at 10:01 AM Author: rjluna2
Looks like the top half has been painted with some kind of tape on to form the edge during the process to me

Pretty, please no more Chinese failure.

Silverliner
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Verd a ray classic.


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Feb 18, 2017 at 11:07 AM Author: Silverliner
Men of God, here it is lit: http://www.lighting-gallery.net/gallery/displayimage.php?album=lastup&cat=0&pos=0&pid=130768

May all the great lighting technologies have their place in history.

Administrator of Lighting-Gallery.net. Need help? PM me.

Silverliner
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Verd a ray classic.


GoL
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Feb 18, 2017 at 11:08 AM Author: Silverliner
Rjluna, it's a permanent etching. Looks to be either acid or sandblasting.

May all the great lighting technologies have their place in history.

Administrator of Lighting-Gallery.net. Need help? PM me.

rjluna2
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Robert


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Feb 18, 2017 at 11:34 AM Author: rjluna2
Okay, thanks Dave

Pretty, please no more Chinese failure.

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