Science, Technology and Engineering - Nightlase Technologies - Sydney, Australia
Source Sox Lamp Road Lighting 55W By22d Base Low Pressure Sodium Lamp on m.alibaba.com
OHLECTRIC T53 Low-Pressure Sodium HID Clear Light Bulb | 1800 Kelvin White Color Light with BY22D Base | 55-Watts Energy Efficient Bulb (Pack of 1) OL-50948 - Amazon.com
Light Efficient Design LED-8102-AMB 60 Watt LED Amber Sox Retrofit Lamp B22 Base 4000K 120-277V
Light Efficient Design 35W LED - Replaces 55W HID - 1258 Lumens - B22 Base - Amber - UL Type B
OHLECTRIC T53 Low-Pressure Sodium HID Clear Light Bulb | 1800 Kelvin White Color Light with BY22D Base | 55-Watts Energy Efficient Bulb (Pack of 1) OL-50948 - Amazon.com