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1 Jan 1880 Jahr - Incandescent lights go into mass production

Beschreibung:

A day's wages could buy 7 hours of light with Spermaceti compared with incandescents 1200 hours for the same price

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Light Timeline

ByKaroline Herkamp

9 Apr 2021

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Datum:

1 Jan 1880 Jahr

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~ 145 years ago

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