Primitive Technology shows us how to make a very simple blower that can easily keep a small furnace going. The blower is made of a stick, a rectangular piece of bark that acts as a rotor, and a length of twine that can be pulled to spin its blade.
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Primitive Technology shows us how to make a very simple blower that can easily keep a small furnace going. The blower is made of a stick, a rectangular piece of bark that acts as a rotor, and a length of twine that can be pulled to spin its blade.