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1963 M-400 Starting Up With a GE BT37 400W /DX
The BT37 here is actually a newer lamp, after the (Hg) symbol was added to mercury-containing lamps...
Keywords: American_Streetlights

1963 M-400 Starting Up With a GE BT37 400W /DX

The BT37 here is actually a newer lamp, after the (Hg) symbol was added to mercury-containing lamps...

PICT0020~1.JPG IMG_7380.JPG gol8514_014.JPG Plasma_tube.JPG IMG_7285b~0.JPG
File information
Filename:gol8514_014.JPG
Album name:Mike / My General Electric M-400 (1973)
Keywords:American_Streetlights
Filesize:259 KiB
Date added:Aug 06, 2014
Dimensions:1485 x 1161 pixels
Displayed:102 times
Color Space:sRGB
DateTime Original:2009:03:27 01:43:40
Exposure Bias:0 EV
Exposure Mode:0
Exposure Time:1/330 sec
FNumber:f/2.8
Flash:No Flash
Focal length:28.8125 mm
Light Source:Unknown: 0
Make:Vivicam
Model:V5024
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=18038
Favorites:Add to Favorites

Comment 1 to 8 of 8
Page: 1

Mercuryvapor123   [Aug 07, 2014 at 10:31 PM]
Man that reflector looks good, Better than mine and mine is newer. Sad Nice lamp too. Wink
streetlight98   [Aug 08, 2014 at 03:12 AM]
Yeah the reflector is totally flawless on the inside. Perfect. It's shinier than the one in my NOS M-400 split door Laughing . The outside has some dirt buildup that wouldn't come off but that's expected after 50 years. This served faithfull from probably 1964 to 1992 or 94 so about 30 years or service.
Mercuryvapor123   [Aug 08, 2014 at 03:31 AM]
Outstanding, Darn HPS and led. well it will have a nice retirement.
streetlight98   [Aug 08, 2014 at 03:42 AM]
if it wasn't for the HPS changeout, all these mercs wouldn't have ben saved. Very Happy Though I'm sure more were scrapped than saved but thse lights will live forever within our hobby.
joe_347V   [Aug 08, 2014 at 06:13 AM]
Shiny reflector indeed, I think it's almost as shiny as the glass units used in my older signals. I think my Powerlite B2255 has the shinest reflector out of all my cobras.
streetlight98   [Aug 08, 2014 at 05:37 PM]
Yeah this thing is literally a mirror. Not a prefect reflection but I can see a distorted version of myself and see features like my eye color and the light freckles around my nose in the reflector so it's a pretty good mirror. Laughing
GEsoftwhite100watts   [Aug 28, 2014 at 02:11 AM]
Yeah I wonder if GE still offers BT shaped lamps as a special order item?
streetlight98   [Aug 28, 2014 at 10:25 AM]
I don't know. Neutral

Comment 1 to 8 of 8
Page: 1