Conversor marciano, or transformador marciano, is an invention of Alberto Santos Dumont to assist climbers. == Description == The equipment was placed on the back, like a backpack, and when a motorized propeller was connected, it reduced the weight of the body in the ascent of mountains.
Conversor marciano, or transformador marciano, is an invention of Alberto Santos Dumont to assist climbers. == Description == The equipment was placed on the back, like a backpack, and when a motorized propeller was connected, it reduced the weight of the body in the ascent of mountains.
Source: Wikipedia "Conversor marciano" · CC BY-SA 4.0
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