Stonophone (Job No: 1048)

This stone has broken into two pieces:

It looks like someone has repaired it before, which complicates matters. First an external clamp is made so that the parts can be squeezed together.
20120927-031402-PM.jpgjig made and dry fit done, ready for the stone to be cleaned and glued.
There are new epoxy adhesives that have been developed specifically designed to integrate with the structure of specific materials. This is the approach I am taking in order to maintain resonance.

4 comments on “Stonophone (Job No: 1048)

    • pauljefferies

      Adhesive technology is developing all the time; gap filling adhesives are now used as standard in the building trade removing the need for rawl plugs and screws (in theory). However some materials are just too difficult to join mechanically, so glues are produced. Granite and marble work tops look like they are thick and chunky, actually it is just a thick edge glued onto a relatively thin top surface, just imagine how heavy it would be if solid!

    • pauljefferies

      Hi Ken. I’m so sorry for such a slow response. I’ve been more than preoccupied with building my new workshop, so everything else has been neglected.
      A stonophone is an idiophone using stones as the sound source. The one I repaired was commercially made using stone discs. More traditional instruments have stones similar to xylophone notes, but they are more rounded or lozenges.


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