165 
between Optical and Electrical Qualities of Metals. 
Metals. 
—_—__—. 
RLLVOR cy tarnis snl 

eee eee ee ry 
COD OEL yitien aaiy'c tye) vearracms meme yraniys 
GOlUs, =, .acaeas ethan aes Oe atarscutpniees opaae 
PIGbIMT I see Mee ers acre RE Beato 
INICRGU. 4 svarsirnrerd Rees mcers SSictrriim 
Bienes 
FISHIN Neiccaciine tre TTR aes 
eee ee eee eee ee Bee eee 
eee eeresoes 
Patent Nickel P ... 
Patent Nickel M ............ tee 
TIAA L ATL onc ake mown dered compete saeas 
RGBAG SE ALOY! wi cstssoudere anittas instead 
Brandes and Schiinemann’s Alloy ... 
—_——— 


Mean value of C, for \=4, 8, and | 
DOM OUSr ce siyvth sp versasysfaosres der | 
Mean deviation 6 of the single | 
products from Cy 
Theoretical value of C,', 
_ 865 















TABLE II, 
Conduc-| A=4p. A=8 uw. A=12 p. 
tivity, AV iat 100—R | {= C,= 0,,= 
Kis: |] 00=B). | 09 —Ry.a/ wea] LOPE): | 00— Rj iq] LOO =| 0d SR) Fg. 
614 | 7:85 1-9 14-9 1:25 98 || 16 9-0 
B72 «| 7-56 27 20°6 14 106 16 121 
As | Gos || 8a 21-9 2-7 17-4 O15 13:8 
9-24 | 3-04 85 25:8 4-6 140 3:5 106 
85 | 292 | 82 23:9 4-65 13-6 41. 12:0 
502 | 224 129 273 70 15-7 4-9 11-0 
0-34 | 0-916 | (248) (22'7) (18-5) (16-9) (17'8) (16'3) 
3:81 | 1-95: 7-9 15-4 75 146 B7 Wd 
9:94 | 1-71 8+ 14-8 6-5 il 7-0 12:0 
2-04 | 1-43 1-7 16-7 73 106 6-0 8-6 
2-07 | 1-44 1435 166 9:0 13:0 v1 10-2 
1-48 | 1-22 12-9 157 10-2 123 91 nd 
cs z=. ie G,=19-4 a 0,=13-0 = G,,=110 
_ MS se 5,= 21:0 %/, z2 3,= 145 %/p =. 85 =9'6 /, 
= = om O,'= 18-25 = C,'=12-90 = ©,,!=10°54 

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