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Showing 1 to 1 of 1 for “"Electric lighting--Design; Electric lighting--History"”.
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Photocontrol data acquisition system for lamp life prediction in high pressure sodium lighting
… account of high intensity discharge (HID) lighting. It begins in the seventeenth century and concludes with the modem high pressure sodium (HPS) lamp, which has become the most widespread HID lighting source due to its high efficacy (Lumens/Watt) and acceptable color rendition. Following a …