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Rare lamp DNaO Lamp is hot

Rare lamp DNaO

Lamp is hot

IMG_20220525_163538.jpg IMG_20220525_171705.jpg IMG_20220525_171906.jpg IMG_20220526_234635.jpg IMG_20220603_221618.jpg
File information
Filename:IMG_20220526_234635.jpg
Album name:SilverRay / Low pressure sodium lamps
Manufacturer:MELZ
Type/Model:DNaO
Wattage:85 or 140
Date manufactured:June 1938
Filesize:629 KiB
Date added:26 May, 2022
Dimensions:2048 x 1066 pixels
Displayed:17 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=18109
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Comment 1 to 3 of 3
Page: 1

AngryHorse   [28 May, 2022 at 05:23 PM]
Considering the LPS lamp is supposed to self absorb when running, these seem to do quite well Cool
SilverRay   [28 May, 2022 at 05:42 PM]
Yes, this lamp design is very unusual. Unfortunately there is no any info about these lamps. Probably they were made for the only one experiment in 1938 when Moscow was lit by LPS lamps... All known lamps of this series were made in 1938.
SilverRay   [28 May, 2022 at 05:46 PM]
Video of running lamp is available on my YouTube channel here: https://youtu.be/oCJ7x6qrx2w All parts of arc tube lits with the same bright

Comment 1 to 3 of 3
Page: 1

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