If you’re a “petrolhead” with plenty of time in your hands then this puzzling hand-made desk clock made from a 70’s Porsche 911 Turbo speedometer and a tachometer is something you should consider adding to your collection. According to its maker “PWH”, the tachometer acts as the hour hand while the speedometer as the minute hand. Both hands only travel through 180º - the upper part of the gauges – so the entire range of 12 hours / 60 minutes is compressed into half. At the end of their travel the two hands rapidly return back to 0. Makes Einstein’s “theory of relativity” seem like a piece of cake doesn’t it… -More images after the jump 
Thanks for the link Pete!
Via: PWH
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