Philips 40w TLS and TLS Deluxe tubes
Some real old rarities from the lamp bin haul yesterday. These were only made a month apart, but notice how that is precisely when Philips switched to their all-familiar alphanumeric date code system! Unfortunately, I had two of the 1964 TL-S tubes but a likely pre-existing hairline crack and thermal shock from yesterday's cold made it lose vacuum by its own accord.

Philips 40w TLS and TLS Deluxe tubes

Some real old rarities from the lamp bin haul yesterday. These were only made a month apart, but notice how that is precisely when Philips switched to their all-familiar alphanumeric date code system! Unfortunately, I had two of the 1964 TL-S tubes but a likely pre-existing hairline crack and thermal shock from yesterday's cold made it lose vacuum by its own accord.

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File information
Filename:Screenshot_20221211_124345_Gallery.jpg
Album name:LAllenLighting / Fluorescent tubes
Manufacturer:Philips
Type/Model:TLS, TLS De Luxe
Wattage:40w
Date manufactured:January 1964, December 1963
Filesize:186 KiB
Date added:12 Dec, 2022
Dimensions:1329 x 953 pixels
Displayed:7 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=18728
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