The spectrum of my Philips MHN-TD ESS 70W/730
[img]https://i.postimg.cc/yN8RgXYC/IMG-8077.jpg[/img]
Dysprosium-Thallium-Sodium and small amount of lithium as an impurity from the quartz.

The spectrum of my Philips MHN-TD ESS 70W/730


Dysprosium-Thallium-Sodium and small amount of lithium as an impurity from the quartz.

Screenshot_20221015_151436_Gallery.jpg Fusion_120_Watt_Halogen_Par_38.JPG Screenshot_20221210_132040_Gallery.jpg MVI_8797_MP4_snapshot_01_02_629.jpg 20250803_205247.jpg
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