1 ene 1879 año - Light bulb

Descripción:

The light bulb was created by Thomas Edison in 1879 being a important process at human society. With the Light bulb the hours worked were extended to night time, witch helped industrial advancements and production that weren't possible before it. Thinking about standard of living, the light bulb affected the income because of the higher productivity, but in contrast houses were safer now, comfortable and the idea for material goods increased.

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