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Homemade fluorescent tube This is a proper fluorescent with fillaments. I scavenged the ends from a existing broken tube and put some radar red cold cathode tube between them. By some miracle this one isnt badly contaminated. Mainly because I heated the fillaments to yellow hot under hard vacuum for several minutes. Some sputtering occurred but thats better than contamination. Still groggy however.

Homemade fluorescent tube

This is a proper fluorescent with fillaments. I scavenged the ends from a existing broken tube and put some radar red cold cathode tube between them. By some miracle this one isnt badly contaminated. Mainly because I heated the fillaments to yellow hot under hard vacuum for several minutes. Some sputtering occurred but thats better than contamination.
Still groggy however.

387A3873.JPG Image_from_iOS_2815029.jpg IMG_20210912_132446.jpg IMG_20151201_184036.jpg 20220811_170628.jpg
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Filename:IMG_20170402_195026.jpg
Album name:eclipsislamps / T5 tubes
Filesize:2486 KiB
Date added:02 Apr, 2017
Dimensions:2730 x 2048 pixels
Displayed:351 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=5735
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Lightbulbfun   [02 Apr, 2017 at 09:14 PM]
oh very nice! looks quite nice too! it certainly is progress Smile what sort of arc voltage are we looking at here? im assuming 8W T5 electrodes so 170Ma for current?
Lightbulbfun   [02 Apr, 2017 at 11:31 PM]
just read on your facebook post it has cathodes from an 80W T5 that explains the dark section behind one of the electodes, that being said it would mean it has 555Ma cathodes that would be a bright tube i wonder what the arc voltage is at that current

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