Table 306. 



273 



SPECIFIC RESISTANCE OF METALLIC WIRES. 



This table is modified from the table compiled bv Jenkin (1862) from Matthiessen's results by taking the resistance of 

 silver, gold, and copper from the observed metre gramme value aud assuming the densities found by Matthiessen, 

 namely, 10.468, 19.265, and 8.95. 



Smithsonian Tables. 



