Thermal Conductivity during the Fusion of Metals. 549 



The values of the latter quantity for different metals were 

 taken from Landolt and Bornstein's table. 



The results obtained are given in the following tables 

 and in figs. 5 and 6. In these tables, t is the mean tem- 

 perature of the specimen. K s and Kj are respectively 

 the thermal conductivities in solid and liquid states of 

 different metals, expressed relatively to the known values 

 at ordinary temperature. 



1. Tin. 2. Lead. 3. Bismuth. 



Temp. Ks. Temp. K s . Temp. K 8 . 



18 0-157(1) 18 0-083(2) 18 0-0194(3) 



108 0-151 108 0-080 89 0-0181 



125 0-149 222 0-077 160 0-0170 



209 0143 298 0-074 222 00177 



326 0-069 233 0-0177 



256 00183 



Temp. Ku Temp. Ki. Temp. Ki. 



292 0-081 355 0-039 298 00418 



417 0-079 447 0-038 286 0-0400 



498 0078 531 0-037 376 0-0378 



601 0-037 484 0-0372 



5S4 0-0369 



In (1), (2) Lees' values for K? at 18° C. were assumed. 



In (3) Jaeger & Diesselhorst's value at 18° C. was assumed. 



4. 



Zinc. 



5. Aluminium. 



6. An 



timony. 



Temp. 



K s . 



Temp. 



Ks. 



Temp. 



Ks. 



18 



0-268 (1) 



18 



0-504 (2) 







0-0442 (3) 



97 



0-263 



116 



0-490 



113 



0-0401 



129 



0-262 



273 



0-471 



182 



0-0386 



242 



0-250 



324 



0434 



344 



0-0414 



280 



0-246 



430 



0-425 



469 



0-0456 



313 



0-241 



470 



0-394 



557 



00510 



362 



0-233 



605 



0-360 



610 



0-0575 



400 



0-220 











Temp. 



Ki> 



Temp. 



K/. 



Temp. 



Ki. 



460 



0T40 



675 



0223 



692 



00503 



537 



0138 



800 



0-214 







578 



0-137 











In (1), (2) Lees' values for K* at 18° C. were assumed. 

 In (3) Lorenz's value for K* at 0° C. was assumed. 



