Fluores't, LED, halogen, hot bulbs (Dalston E8)

Variety of light bulbs.
* Fluorescent energy-saving bulbs, not very bright.
* A bix of small (plus one standard bulb style) halogen, brighter and hotter than incandescent bulbs of same wattage.
* Old-style incandescent bulbs, not very efficient at producing light (a lot of the energy goes to heat, instead) but good for taking the chill off a greenhouse or cold room in winter.
* One globe-style LED bulb, 60 watt equivalent, warm white.

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