SYLVANIA - Lamps & Light Bulbs; Lamp Technology: High Pressure Sodium ; Lamps Style: Commercial/Industrial ; Lamp Type: ED23.5 ; Actual Wattage: 100.00 ; Base Style: Mogul ; Color Temperature Range: Warm (1000-3000) - 11289113 - MSC Industrial Supply
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SOX 55W BY22d | Svetila.com
LED lighting increases the ecological impact of light pollution irrespective of color temperature - Pawson - 2014 - Ecological Applications - Wiley Online Library
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6 Structure of a high-pressure sodium vapor lamp | Download Scientific Diagram
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High- and Low-Pressure Sodium Lamp | SpringerLink
Modern Waterproof e27 150w sodium lamp Smart lighting Solutions - Alibaba.com
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Sylvania 67504 LU70/MED High Pressure Sodium Light Bulb 70 Watt E17 | Energy Avenue
Philips High Pressure Sodium Bulb Son-T PIA Plus 150W E40 2000K Long Life - Diffusione Luce srl
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NAV-T 70W E27 | Svetila.com
What ways can see LED street lights to replace the high pressure sodium lamp ?
High- and Low-Pressure Sodium Lamp | SpringerLink
Sodium-vapor lamp - Wikipedia
The Sodium Lamp - How it works and history
