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Sylvania Canada H33GL-400/DX Got this at my favourite flea market too. I originally found it two years ago but I didn't take it back then since I had no 400W mercury ballast. Now that I have two I took it! Oddly it is a fully-phosphored lamp despite being made at the canadian factory of Drummondville, QC. Lumen output is still excellent. Keywords: Lamps

Sylvania Canada H33GL-400/DX

Got this at my favourite flea market too. I originally found it two years ago but I didn't take it back then since I had no 400W mercury ballast. Now that I have two I took it! Oddly it is a fully-phosphored lamp despite being made at the canadian factory of Drummondville, QC. Lumen output is still excellent.

SYL_CAN_H33CD-400.jpg WESTY_CAN_H1LB-C.jpg SYL_CAN_H33GL-400-DX.jpg CGE_BNSL_H400C33-1.jpg SYL_BANNER_H39-22KC-WRS.jpg
File information
Filename:SYL_CAN_H33GL-400-DX.jpg
Album name:Vince / HID lamps and ballasts
Keywords:Lamps
Company and Date Manufactured:Sylvania Canada | Mid 80s estimated
Model Number:H33GL-400/DX
Wattage:400W
Lamp Type:Mercury vapour
Filesize:287 KiB
Date added:Aug 03, 2013
Dimensions:2000 x 1500 pixels
Displayed:109 times
Color Space:sRGB
Contrast:0
DateTime Original:2013:08:03 14:21:15
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/30 sec
FNumber:f/3.6
Flash:No Flash
Focal length:7.5 mm
ISO:357
Light Source:Unknown: 0
Make:Hewlett-packard
Max Aperture:f/3
Model:HP DVC V5061u
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=16000
Favorites:Add to Favorites

Comment 1 to 3 of 3
Page: 1

joe_347V   [Aug 04, 2013 at 06:21 AM]
I guess they switched to fully coated tops some time in the 80s then. I have the exact lamp but from the early 80s and it was a cleartop. Still a nice lamp though.
streetlight98   [Aug 04, 2013 at 04:42 PM]
yeah my late 80s 175W sylvania is fully coated. (at least i think it's from the late 80s lol)
joe_347V   [Aug 04, 2013 at 11:58 PM]
It looks like Sylvania Canada went straight from cleartop lamps to fully coated lamps instead of making the clearband lamps in between. They also used cleartops much longer than the US lamps too.

Comment 1 to 3 of 3
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