LAMP TORCHBULBS: Variety

LAMP TORCHBULBS: Variety

•  A variety of Lamps and Torch Bulbs for use in the school laboratory including:
MES Torch bulbs  |  SBC Horizontal double contact filament   |  SBC  Vertical double contact filament  |  Piggyback bulb lamps.

(Wikipedia excerpt: ..."...Edison light bulbs, also known as filament light bulbs and retroactively referred to as antique light bulbs or vintage light bulbs, are either carbon- or early tungsten-filament incandescent light bulbs, or modern bulbs that reproduce their appearance. Most of the bulbs in circulation are reproductions of the wound filament bulbs made popular by Edison Electric Light Company at the turn of the 20th century. They are easily identified by the long and complicated windings of their internal filaments, and by the very warm-yellow glow of the light they produce (many of the bulbs emit light at a color temperature of 2200–2400 K). History Original carbon-filament bulb from Thomas Edison's shop in Menlo Park

Light bulbs with a carbon filament were first demonstrated by Thomas Edison in October 1879.[1][2] These carbon filament bulbs, the first electric light bulbs, became available commercially that same year.[3] ....")

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