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Robertson Preheat ballast This is a Robertson ballast from my school which the maintenance person let me keep. Normally made to run an F40T12 tube but I'm using it to operate a F32T8. Keywords: Gear

Robertson Preheat ballast

This is a Robertson ballast from my school which the maintenance person let me keep. Normally made to run an F40T12 tube but I'm using it to operate a F32T8.

Collage_Maker-24-Jun-2023-07-14-PM-6790.jpg WH2CBal.JPG IMG_3352.JPG IMG_1188.JPG IMG_1196~0.JPG
File information
Filename:IMG_1188.JPG
Album name:yuandrew / Ballast
Keywords:Gear
Company and Date Manufactured:Robertson Transformer
Model Number:S40B
Lamp Type:One 30, 32, or 40 watt fluorescent
Filesize:59 KiB
Date added:Aug 28, 2011
Dimensions:800 x 600 pixels
Displayed:104 times
Color Space:sRGB
DateTime Original:2009:03:30 22:10:03
Exposure Bias:0 EV
Exposure Mode:0
Exposure Time:1/60 sec
FNumber:f/9
Flash:Flash, Auto-Mode
Focal length:11.759 mm
ISO:100
Make:Canon
Max Aperture:f/3.5
Model:Canon PowerShot A560
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=8083
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