Tyndall's Bar Breaker
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Tyndall's Bar Breaker

£93.68  exc. VAT    
(£112.42 Inc. VAT)

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  • Apparatus to demonstrate the forces arising from heating metals
  • Metal rib and fastening screw for holding bolts secure
  • Placed over a flame, the bolts can be broken 
  • 10 cast iron bolts supplied and additional bolts available
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Tyndall's Bar Breaker

Tyndall's Bar Breaker is a U shaped clamping set-up with a metal rib and fastening screw. Used for demonstrating the linear expansion of metals on heating, the apparatus shows the tremendous forces which can be exerted in the process. The forces resulting from changes in length arising from heat or cold are sufficient to break a 10mm iron bolt. The set includes 10 cast-iron bolts for breaking in the course of the experiment.


  • Diameter for bolt hole: approx. 11mm
  • Length of clamping fixture: approx. 285mm
  • Weight: approx. 1400g

Compatible Equipment

  • P1000827 Set of 10 Cast Iron Bolts
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