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A black and white vintage illustration of a Victorian man running on an over-engineered treadmill that powers a ceiling fan via chains and gears.

A black and white vintage illustration of a Victorian man running on an over-engineered treadmill that powers a ceiling fan via chains and gears.

A black and white Heath Robinson style ink drawing of a mechanically plausible, over-engineered machine. A serious Victorian man in a vest is running on a sturdy wooden non-motorized treadmill. The heavy rollers of the treadmill are geared directly to a vertical drive shaft bolted to the wall. This shaft goes up to the ceiling, where it connects to a system of horizontal bicycle chains, iron sprockets, and tension pulleys securely mounted to the ceiling beams. The final chain wraps around the axle of a large four-blade wooden ceiling fan, spinning it to blow air directly down onto the runner. Fine line art, detailed cross-hatching, vintage cartoon engraving style, strict mechanical logic, no text. Ver mais