Tube close up.

The build quality of these is something we all know doesn`t exist anymore in modern LPS lamps!

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Filename:	Tube_close_up_.jpg
Album name:	AngryHorse / Sodium lamps, (low pressure).
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Date added:	13 May, 2017
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lampy

[14 May, 2017 at 11:05 PM]

never seen that pinch in the innar tube before, my 140's havent got that

AngryHorse

[14 May, 2017 at 11:34 PM]

This was Philips`s early version of the dimples to retain sodium, although the bamboo tube was more to do with keeping liquid sodium in the same place throughout the lamp life, as the glass inner was coated to stop the tube going brown, and the sodium didn`t stick very well to it

lampy

[14 May, 2017 at 11:36 PM]

thanks for the info, knew non of that

Comment 1 to 3 of 3

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