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jan 1, 1880 - Incandescent lights go into mass production

Description:

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

Added to timeline:

Light Timeline

ByKaroline Herkamp

9 Apr 2021

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288

Date:

jan 1, 1880

Now

~ 146 years ago

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