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Lindner fluorescent tubes 40Watt

Lindner fluorescent tubes 40Watt

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I got them for free on eb4y. They are NOS.
Why is a B printed in a square on the tube ?

IMG_20190703_144317.jpg IMG_20190703_144416.jpg IMG_20190703_144358.jpg IMG_20190702_220106.jpg

Light Information

Light Information

Manufacturer:Philips
Model Reference:Lindner 40W
Lamp
Lamp Type:Fluorescent
Filament/Radiator Type:shielded cathodes
Base:G13
Shape/Finish:T12 coated
Service Life:7500h
Electrical
Wattage:40W
Voltage:100V~
Current:0,4A
Optical
Lumen Output:2200lm
Lumen Efficacy:55lm/W
Color Temperature:4200k universal
Color Rendering Index:>70
Physical/Production
Dimensions:1200mm x 38mm
Fabrication Date:August 1978
Application/Use:Industrial lighting, traffic lighting , office lighting

File information

File information

Download: Download this File
Filename:IMG_20190703_144358.jpg
Album name:The Lightman / Fluorescent Lamps
Keywords:Lamps
File Size:316 KB
Date added:Jul 03, 2019
Dimensions:2465 x 1782 pixels
Displayed:40 times
Date Time:2019:07:03 14:43:58
DateTime Original:2019:07:03 14:29:02
Exposure Bias:-2.5 EV
Exposure Time:10000000/1000000000 sec
FNumber:f 2.2
Flash:Flash
Focal length:3.46 mm
ISO:80
Make:HUAWEI
Model:LLD-L31
Software:LLD-L31 8.0.0.144(C432)
White Balance:0
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Comments
TL buis
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Jul 07, 2019 at 01:23 AM Author: TL buis
Looks Philips made.B stands for Blanc colour. Rare find, Lindner doesn't exist anymore I thought. So, handle with care!
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