Sodium-vapor lamp - Wikipedia
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File:HPS lamp.jpg - Wikimedia Commons
High Pressure Sodium (HPS) Lamp
File:High Pressure Sodium Lamp Spectrum.jpg - Wikimedia Commons
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In an HPS lamp, does the outer bulb contain anything important, or is it just there to protect the arc tube in the middle? Will the bulb explode or implode if you
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High Pressure Sodium (HPS) Lamp
High Pressure Sodium (HPS) Lamp
Les lampes — Wiki Cannabique
File:Leds sodium spectrum fr.jpg - Wikimedia Commons
File:HPS-lamps.jpg - Wikimedia Commons
In an HPS lamp, does the outer bulb contain anything important, or is it just there to protect the arc tube in the middle? Will the bulb explode or implode if you
