The "Epistola de Magnete" is an early draught of what we would today call a perpetual-motion machine. This drawing is presumed to have been taken from Peter Beckford's legendary collection of ephemera.
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The "Epistola de Magnete" is an early draught of what we would today call a perpetual-motion machine. This drawing is presumed to have been taken from Peter Beckford's legendary collection of ephemera.