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Robertson Ballast In Lampi F18T8 Fixture A "Robertson Transformer Company" F15/F20 preheat ballast. This has a long slim design compared to 'standard' F20 preheat ballasts Its also fairly noisy (quite annoying LOL) and is riveted to the fixture (typical in Lampi's) The fixture is [url=http://www.galleryoflights.org/mb/gallery/displayimage.php?pos=-3595] pictured here [/url] Keywords: Gear

Robertson Ballast In Lampi F18T8 Fixture

A "Robertson Transformer Company" F15/F20 preheat ballast.
This has a long slim design compared to 'standard' F20 preheat ballasts
Its also fairly noisy (quite annoying LOL) and is riveted to the fixture (typical in Lampi's)

The fixture is pictured here

A_BAL-S.jpg BAL_RF8.jpg BAL_RF8.jpg BAL_RF8.jpg BAL_RF8.jpg
File information
Filename:BAL_RF8.jpg
Album name:xmaslightguy / Ballasts
Keywords:Gear
Company and Date Manufactured:Robertson Transformer Company / (date unknown)
Model Number:L15A
Wattage:15/20
Lamp Type:Linear Fluorescent
Filesize:36 KiB
Date added:Apr 14, 2011
Dimensions:800 x 313 pixels
Displayed:173 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=6044
Favorites:Add to Favorites

Comment 1 to 5 of 5
Page: 1

GullWhiz   [Apr 14, 2011 at 04:10 AM]
Are you serious?! It looks very classical!
xmaslightguy   [Apr 14, 2011 at 05:06 AM]
Looks more like the shape of a larger fixture's ballast.. except that Its only a little under an inch across, but 4.5" long LOL i've never seen a F20 preheat ballast like this one Smile
DimBulb   [Apr 14, 2011 at 11:31 AM]
I wouldn't mind finding some of those! Sounds like it's the same size as a 4, 6, 8 watt ballast?
xmaslightguy   [Apr 15, 2011 at 12:40 AM]
@DimBulb I _think_ it might be longer, but width/height is the same.
dor123   [Mar 26, 2024 at 10:23 AM]
An European low loss 20W T12 or 18W T8 preheat ballast which is usually larger than a high loss ballast for the same lamps, would be much smaller and shorter than this.

Comment 1 to 5 of 5
Page: 1
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