 Last comments - Max's Gallery
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1993 Philips C1500/ED37Max06/12/25 at 06:03Max: Many different lamps were built and tested at Phil...
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Mid-1960s Philips Spectraal RbIIMax06/12/25 at 05:59Max: I agree, the rubidium discharge lamp is an interes...
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1961 Philips SOI 60WMax05/12/25 at 21:42Ria: Wonderful old lamp, don't have many SOI ones,...
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1961 Philips SOI 60WMax05/12/25 at 11:18Tuopeek: Very clean example of the SOI lamp, as usual Max. ...
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Self-ballasted S450BT37 during operationMax04/12/25 at 23:47Max: That S450BT37 certainly has a very nice design and...
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Mid-1960s Philips Spectraal RbIIMax28/11/25 at 17:44Ria: The rubidium lamp is our favourite, it's a be...
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Mid-1960s Philips Spectraal RbIIMax28/11/25 at 15:13Tuopeek: The rubidium discharge is quite fascinating and ha...
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1993 Philips C1500/ED37Max19/11/25 at 03:40347vPowerlite: Interesting! I didn't know Philips experiment...
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Self-ballasted S450BT37 during operationMax17/11/25 at 19:24AgentHalogen_87: That's a brilliant design having two filament...
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Self-ballasted S450BT37 during operationMax17/11/25 at 05:35Max: Thank you, you two!
Tuopeek - Dealing with thos...
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Self-ballasted S450BT37 during operationMax16/11/25 at 18:29Ria: Great picture as always. Max
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Self-ballasted S450BT37 during operationMax16/11/25 at 12:37Tuopeek: Great sharp crisp image there. I find it quite har...
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Breaking in a classicMax15/11/25 at 08:52Max: There's a lot to like with those little lamps...
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Breaking in a classicMax15/11/25 at 02:36Sammi: It's wonderful.!
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Breaking in a classicMax15/11/25 at 01:41Ria: I love little lampses like this
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Breaking in a classicMax14/11/25 at 21:42Tuopeek: I have a few 80W lamps of around this vintage but...
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1993 Philips C1500/ED37Max13/11/25 at 11:12Max: Thank you, Ria. Yes, the C1000/ED37 was available ...
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1993 Philips C1500/ED37Max12/11/25 at 21:56Ria: Fascinating, thanks Max. I've never seen a la...
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Forced plasma segregationMax09/11/25 at 16:04Sammi: He has...
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Forced plasma segregationMax08/11/25 at 14:33Max: Nice. Please post a picture of it for all to see, ...
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One lamp, two operationsMax08/11/25 at 14:25Max: Glad you enjoyed it, and please don't hesitat...
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One lamp, two operationsMax08/11/25 at 00:04Sammi: I do love these technical discussions.!
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Forced plasma segregationMax07/11/25 at 21:32Tuopeek: Also not a good idea on a low pressure sodium lamp...
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One lamp, two operationsMax07/11/25 at 20:52Tuopeek: Phew! Bit annoyed that the back of my mind registe...
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One lamp, two operationsMax07/11/25 at 19:37Max: Finally, we have the right answer here! Congratula...
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Early-1940s Wabash Superflood N.B2 (120 V 500 W)Max06/11/25 at 19:58Ria: That makes sense, I missed the bit about the short...
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One lamp, two operationsMax06/11/25 at 19:14Tuopeek: Did wonder a bit what you meant by high V and I at...
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Early-1940s Wabash Superflood N.B2 (120 V 500 W)Max06/11/25 at 12:08Max: This lamp is not meant to be run continuously give...
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One lamp, two operationsMax06/11/25 at 12:05Max: You're getting there, but that's not it....
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Early-1940s Wabash Superflood N.B2 (120 V 500 W)Max06/11/25 at 02:05Ria: Interesting it has an E26 cap at that wattage.
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