OSRAM L18W colour 353 tube lit up
Shown just after switch on - again kinda greyish but with a pinkish tone

OSRAM L18W colour 353 tube lit up

Shown just after switch on - again kinda greyish but with a pinkish tone

Knightswood_Kirkton_1982-2.jpg 387A1510.jpg 387A6133b.JPG IMG_0077.jpeg PICT0615.JPG
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Date added:20 Oct, 2026
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AngryHorse   [21 Oct, 2026 at 02:48 PM]
Were these halos then, with them having the Ra50 designation?

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