680 



Prof. L. T. More on Dielectric 



fifteen plate-electrodes connected to the electrical machine. 

 The attraction o£ these plates when charged is evidently 



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neutralized as they are equally attracted up and down. 

 Between the electrodes are thirty dielectric plates, the whole 

 forming a solid mass except for the discontinuity between the 

 upper dielectric plate and the upper electrode. 



The greatest difficulty experienced while making these 



