Bar Breaking Apparatus

To Demonstrate The Enormous Forces Which Can Be Exerted During Thermal Expansion Or Contraction And Capable Of Breaking Even The Ci Bars. Comprising A Heavy Cast Metal Frame With U-Shaped Slotted End Pillar To Carry A Stout Iron Bar. The Iron Bar Is Threaded At One End For A Large Tensioning Knob And Having Holes At The Other End To Accommodate The Cast Iron Breaking Bars. Supplied Complete With Ten Breaking Bars. (Ci Breaking Bars, Spare)