190 



DR CARGILL G. KNOTT ON THE 



Table A. — continued. 



Diameter ='05 cm. Specific resistance = 9697 (C.G.S.). 



n, Resistance of 



lemperature. ,,r. , 



r Wire used. 



278° C. 2-00 ohms 



281° 2-02 



293° 2-10 



295° 2-11 



300° 2-15 



301°-4 2-16 



Resistance reduced 

 for comparison. 

 276-2 

 2790 

 290-1 

 291-4 

 296-7 

 298-4 



Table B.—Thin Nickel 



Diameter = -0154 cm. 



Temperature. 



0°C. 

 9° 

 33°-i 



56°-5 

 ' 76° 

 99° 

 120°-4 

 143°-7 

 165° 

 182°-5 

 203° 

 226° 

 248°-8 

 266° 

 290°-4 

 305° 



Specific resistance = 14500 (C.G.S.). 



Resistance of Resistance reduced 



Wire used. for comparison. 



1-914 ohms 100 



1-96 102-4 



2-09 109-2 



2-233 116-6 



2-38 124.3 



2-55 133-2 



2-716 141-9 



2-915 152-3 



3-091 161-5 



3259 170-3 



3-457 180-6 



3-697 193-2 



3-96 206-9 



4-17 217-9 



4-48 2341 



4-73 247-1 



Table C. — Platinum. 



Diameter = -049 cm. 



Temperature. 



0°C. 

 35°-5 

 58° 

 80°-5 

 99°-5 

 119° 

 141°-3 

 163°-8 

 186°-3 

 204° 

 22F-3 

 243°-l 

 261° 

 278° 

 295°-8 



Specific resistance = 16800 (C.G.S.). 

 Resistance of Resistance reduced 



Wire used. for comparison. 



1-02 ohms 100 



1-11 108-8 



1-164 114-1 



1-208 118-4 



1-256 123-1 



1-30 127-5 



1-35 132-4 



1-40 137-3 



1-45 142-2 



1-484 145-5 



1-523 149-4 



1-58 154-9 



1-612 158-0 



1-642 161-0 



1-69 165-7 



Temperature. 



0°C. 



9° 

 31* 

 56° 



Table D. — Palladium. 

 Diameter = 0396 cm. Specific resistance = 10680 (C.G.S.). 



Resistance of Resistance reduced 



Wire used. for comparison. 



1-595 ohms. 100 



1-64 102-8 



1-77 111-0 



1-914 120-0 



