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OSRAM HQL 50W My first contribution should be a small lamp. OSRAM HQL 50W with code: mcX , made in Berlin-Charlottenburg in April 1962.

OSRAM HQL 50W

My first contribution should be a small lamp.
OSRAM HQL 50W with code: mcX , made in Berlin-Charlottenburg in April 1962.
NARVA_NF_80_21_74.jpg NATIONAL_100W_a.jpg OSRAM_HQL_50W_mcX_a.jpg PHILIPS_HPW_125W_old_a.jpg PHILIPS_HPW_125W_old_a~0.jpg
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Filename:OSRAM_HQL_50W_mcX_a.jpg
Album name:Olav / mv lamps and gear
Filesize:437 KiB
Date added:10 Nov, 2021
Dimensions:800 x 1067 pixels
Displayed:18 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=16897
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Comment 1 to 6 of 6
Page: 1

Andy   [10 Nov, 2021 at 09:55 PM]
I think this must be one of the oldest 50W mercury lamps I have seen! I assume this is an orthophosphate coating?
Danny   [10 Nov, 2021 at 10:07 PM]
1962! Amazing!
Olav   [10 Nov, 2021 at 10:08 PM]
Andy, thats a perfect question to James. I have no informations about the phosphor in this time. Orthophosphate will be used in this time.
FrontSideBus   [11 Nov, 2021 at 06:01 PM]
very nice oldie!
AngryHorse   [11 Nov, 2021 at 10:14 PM]
Nice, that’s maybe the oldest 50 we’ve got on here!
Olav   [12 Nov, 2021 at 02:18 AM]
Thanks for all comments,

here is the second picture. The green ring on the socket is good visible. That was typical in this time.



Regards

Olav

Comment 1 to 6 of 6
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