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1 janv. 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

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Light Timeline

ByKaroline Herkamp

9 avr. 2021

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Date:

1 janv. 1880

Maintenaint

~ Il y a 145 ans

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