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5 janv. 1901 - Mercury Vapour Lamp Peter Cooper Hewitt makes a mercury vapour lamp, a discharge lamp using mercury emitting a blue/green light, a precursor to the fluorescent lamp

Ajouté au bande de temps:

Batteries and Lightbulbs

ByJacqueline Xie
11 sept. 2018
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Date:

5 janv. 1901
Maintenaint
~ Il y a 124 ans
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