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NOMA A15 E26 Base Oven Frosted Incandescent Light Bulb, 350 Lumens, Warm White, 40W | Canadian Tire
Viribright - LED Lighting for Commercial and Residential
Philips 40W Equivalent A19 Warm Glow (2000K) Dimmable LED Light Bulb | The Home Depot Canada
Wet-Bulb Temperature from Relative Humidity and Air Temperature in: Journal of Applied Meteorology and Climatology Volume 50 Issue 11 (2011)
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ENERGETIC SMARTER LIGHTING 40W Equivalent A19 LED Light Bulb, Soft White 2700K, UL Listed, E26 Standard Base, Non-Dimmable LED Light Bulb, 4-Pack - Amazon.com
Feit Electric 40-Watt Equivalent T6 Amber Glass Vintage Filament Dimmable LED Light Bulb W... | The Home Depot Canada
Globe Electric 40 Watt Equivalent A19 Motion Sensor Non-Dimmable LED Light Bulb, Warm Whit... | The Home Depot Canada
Incandescent light bulb - Wikipedia
Do My Chickens Need a Heat Lamp? • The Prairie Homestead