human powered machine - drive shaft - casa de la moneda - potosi (bolivia)


human powered machine - drive shaft - casa de la moneda - potosi (bolivia), casa nacional de moneda, cobblestones, historical, potosí, wood gears, wooden machine human powered machine - drive shaft - casa de la moneda - potosi (bolivia), casa nacional de moneda, cobblestones, historical, potosí, wood gears, wooden machine

The giant wooden gears of the minting machine.­ This is the oldest mint in a near perfect state of preservation.­

This photo shows one of the drive shafts located one story under one of the roller press machines.­ The power source was either animals or indigenous slaves (depending on availability).­

Casa de la moneda museum, Potosí (Bolivia)

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