280 



BELL SYSTEM TECHNICAL JOURNAL 



O 16 



d: 8 



0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 



PER CENT OF ALLOYING ELEMENT IN NICKEL 



Fig. 30 — Resistivity of various allo}-s of nickel. 



20 30 40 50 60 70 80 



ATOMIC NUMBER 



Fig. 31 — .Vtomic diameter of various nietallic elements. 



