Primitive Technology on MSN
A rope-and-stick blower that only spins one way
Primitive Technology makes a blower that spins in only one direction. A rope wound around a stick drives a fan inside a clay ...
Primitive Technology on MSN
Can Primitive Technology's natural draft furnace smelt iron without a blower?
Primitive Technology puts his natural draft furnace to the ultimate test: smelting iron without a hand-powered blower.
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