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Two old low pressure sodium lamps

Two old low pressure sodium lamps

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These two Philips sodium were lamps manufactured 10 years apart. The top image is a (1965) 60W SOI/H the lower is a (1975) 35W SOX lamp. Note the SOI/H lamp uses a slightly shorter and thinner discharge tube. The SOI/H was made in Holland and the SOX Scotland.

neon_flower.jpg SOX_SOI_H.jpg tesla_lamp.jpg SOH60_on.jpg

Light Information

Light Information

Manufacturer:PHILIPS
Model Reference:SOI/H & SOH
Lamp
Lamp Type:Low Pressure Sodium
Base:BC

File information

File information

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Filename:SOX_SOI_H.jpg
Album name:tuopeek / Low Pressure Lamps
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Keywords:Lamps
File Size:84 KB
Date added:Nov 14, 2016
Dimensions:1000 x 494 pixels
Displayed:80 times
Date Time:2016:11:14 18:52:06
DateTime Original:2000:01:13 00:05:28
Exposure Bias:0 EV
Exposure Time:1/70 sec
FNumber:f 3.1
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Focal length:4.3 mm
ISO:64
Make:FUJIFILM
Model:FinePix S3400
Software:Adobe Photoshop Elements 2.0
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Comments
sailormoon_01_uk
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Area of interest: Airport and Discharge Lighting,


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Nov 14, 2016 at 04:27 PM Author: sailormoon_01_uk
Sodium Lamps are my Favourite, I like the way they light red when switched on the slowly change to Orange/Yellow and slowly increase in brightness too. I also like the design of older Sodium Lamps which has the rounded end too, not like modern SOX lamps which has a bell shape end, 5*****'s
tuopeek
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GLS lamp on Tesla Coil


tuopeek 111967450636623837217 tuopeek1
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Nov 14, 2016 at 04:42 PM Author: tuopeek
Me too. I particularly like the construction of these lamps
sailormoon_01_uk
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Area of interest: Airport and Discharge Lighting,


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Nov 14, 2016 at 05:11 PM Author: sailormoon_01_uk
I agree, GEC models are my Favourites,
Globe Collector
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Preserving the Brightest Ideas of Our Age


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Nov 14, 2016 at 05:34 PM Author: Globe Collector
That top obe, with the porcelain and nickel plated base, I found one at my high school in 1980.

Manufactured articles should be made to be used, not made to be sold!

tuopeek
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GLS lamp on Tesla Coil


tuopeek 111967450636623837217 tuopeek1
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Nov 15, 2016 at 11:28 AM Author: tuopeek
Your school must have been well equipped. As a pupil, I used to bring lamps into physics at school so we had some decent spectral sources.
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