Turned from a Rod supplied by the London Electric Wire Company. Composition approximately that of German Silver. 
Density at 22° C. = 8‘66. 
a 2 = 1-51 centims., approx, k = '04 to -06, therefore V = 21, x K = -31, x B = 2‘24, x c 2’55, x c , = 2*69 centims., 
s = 1*83 sq. centims. 
I 
CONDUCTIVITIES OF METALS AND ALLOYS AT LOW TEMPERATURES. 42 
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* See note on p, 407. 
