Pianist
      
      
       
      Size: 10.5 x 9 x 16 cm 
      Sand motor 
       
      Tirelessly the pianist hammers away at the keyboard - as long as the sand
      runs. 
       
      The mechanical sculpture is driven by a "sand motor".  A sand container
      is located in the upper part of the shelves from which fine sand trickles
      on a lever, an egg timer is comparable. Under the weight of the sand the
      lever comes down - and at the same time the arms are going up.  Arms
      and lever are connected by a cocktail stick as axle. The sand slides down
      from the sloping lever and the lever raises up again - the pianist's fingers
      are falling down on the keys. 
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
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