294 Mr. W. H. Preece. [Dec. 22, 



Tin-Lead Alloy (2 parts of Lead to 1 part of Tin). 



Diameter 

 in 

 inches. 



Actual 

 fusing 

 current in 

 amperes. 



Fusing 

 current 

 calculated. 



«M. 



Constant 

 " a." 



o-oio 



2-124 



1-455 



2124 



0125 



2 395 



2-034 



1714 



014 



2-472 



2-411 



1493 



0-018 



3-283 



3-515 



1359*5 



0-020 



3 515 



4-117 



1243 



0-026 



5-794 



6-101 



1382 



0-030 



6-990 



7-562 



1345 



0-033 



7-722 



8-725 



3289 



0-036 



8-961 



9-941 



1312 



040 



10 35 



11-64 



1294 







Mean = 



1455 5 



Lead. 



Diameter 

 in 

 inches. 



Actual 

 fusing 

 current in 

 amperes. 



Fusing 

 current 

 calculated. 

 ad™. 



Constant 

 " a." 



010 



1-893 



1-512 



1893 



0-012 



2-202 



1-988 



1675 



014 



2-588 



2-504 



1565 



0-018 



3-824 



3 652 



1584 



0-020 



4-171 



4-277 



1475 



0-026 



6-025 



6-339 



1437 



0-030 



7-182 



7-858 



1382 



0-036 



8-600 



10-33 



1259 



-040 



10 -74 



12-10 



1342 -5 







Mean = 



1512 -27 



