Strain on the Thermo-electric Qualities of Metals. 



173 



soldered at the back of the plate. This plate was fixed to a horizontal 

 ^support at a convenient height. One of the wires had a half millimetre 



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scale near its lower end, and a weight hanging on it to keep the wire 

 straight. The other wire had a scale pan and a pointer in the manner 

 generally used in laboratories for finding the Young's modulus of 



