Mechanical Devices

Bladeless Shaver

This is a clockwork shaver that consists of a flat metal box which fits in the hand.

Pedal Powered Skates

They resemble short skis with one rubber-tired wheel just in front of the foot and the other right behind the heel. Putting weight on one of these skates pushes a rack past a gear connected to the rear wheel. Lifting the foot allows a return spring to return the rack to the top of it’s stroke. Speeds of 20 mph is possible.

Portable Fire Escape

This consists of a tube-like clamp with loops at either end, through which a rope passes.

Mechanical Devices

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