268 



Table 274 {continuti). 

 CONDUCTING POWER OF ALLOYS. 



Group 3. 



Alloys. 



Weight % 



Volume % 



of first named. 



by. io9 



Variation per 100° C. 



Observed. 



Calculated. 



Gold-copper t 

 " " t 



Gold-silver t 



* 



t 



* 



t 



Gold-copper t 

 " t 



Platinum-silver t 

 " t 



Palladium-silver t 



Copper-silver 



Iron-gold t • 

 " " t . 

 " « t . 



Iron-copper t 



Phosphorus-copper t 

 " t 



Arsenic-copper t . 

 " t . 

 " t . 



99-23 



90.55 



8795 

 87-95 

 64.80 

 64,80 

 31-33 

 31-33 



3483 

 1.52 



33-33 

 9.81 

 5.00 



25.00 



98.08 

 94-40 

 76.74 



42.75 

 7.14 



1-31 



13-59 

 9.80 

 4.76 



0.40 



2.50 

 0.95 



5-40 



2.80 



trace 



98.36 

 81.66 



79-86 

 79.86 

 52.08 

 52.08 

 19.86 

 19.86 



19.17 

 0.71 



19.65 



5-05 

 2.51 



23.28 



98.35 

 95-17 

 77.64 

 46.67 

 8.25 

 1-53 



27-93 

 21.18 

 10.96 



0.46 



4650 

 81 



793 

 1160 

 246 

 495 

 531 

 641 



570 

 7300 



208 



656 



I150 



154 



7990 

 6940 

 6070 

 5280 

 4360 

 8740 



7010 



1220 



103 



2090 



145 

 1640 



989 



446 



4830 



21.87 

 7.41 



10.09 



I0.21 

 6.49 

 6.71 

 8.23 

 8.44 



8.07 

 25.90 



3.10 



7.08 



11.29 



340 



26.50 



25-57 

 24.29 



22.75 

 23.17 

 26.51 



27.92 



17-55 

 3-84 



13-44 



23.22 



7-53 



9.65 



9-59 

 6.58 

 6.42 

 8.62 

 8.31 



8.18 

 25.86 



3.21 



7.25 

 11.88 



4.21 



27.30 

 25.41 

 21.92 

 24.00 



25-57 

 29.77 



14.70 

 11.20 

 13.40 



14.03 



* Annealed. 

 Smithsonian Tablcs. 



t Hard-drawn. 



