Manchester Memoirs, Vol. xlviii. (1904), No. i». 3 



The following table gives the specific heats, densities 

 and specific volumes of the chief constituents of the alloys. 



Metal. 



Specific 

 Heat. 



Density. 



Specific 

 Volume. 



*Aluminium, over 

 99I per cent., 

 cast 



fCopper, pure, cast 



fZinc, pure, cast 



fTin, pure, cast 



'2191 



•0936 

 •0931 

 •0552 



2-671(13°) 



8-550 (i6r) 

 7-117 (19*') 

 7-291 (18^^) 



•3744 (13°) 

 •1170(16^) 



■1405 (^9°) 

 •1372 (18°) 



Some of the alloys examined contain small pro- 

 portions of iron, bismuth and lead. For these metals the 

 following approximate values are used : 



Metal. 



Specific 

 Heat. 



Density. 



Specific 

 Volume. 



Iron 

 Lead 

 Bismuth 



•ii3 



■0305 



■0305 



7 '9 



11-4 



9-8 



-127 

 •088 

 •102 



The specific heats given in the first table are from a 

 former paper.j They are for the approximate range 

 20'' C. to 100° C. The specific heats of alloys given 

 in the following pages have been very carefully deter- 

 mined by the same method and with the same apparatus, 



*From the British Aluminium Company. 

 +From Messrs. Johnson, Matthey and Co. 

 XProc. Roy. Soc, Vol. 72, pp. 192-3. 



