100 A. S. Kimballi— Magnetic Strains in Fron. 
annealed iron wire, very uniformly drawn; approximate 
diameter, 1623”. Length between the jaws of the machine, 5”. 
Time required to break the magnetized pieces, sensibly con- 
stant at five and one-quarter minutes; for the unmagnetized 
pieces slightly less. 
TABLE I. 
No. Unmagnetized. Magnetized. Difference. 
1 1201 5 
2 1210 8 
3 1202 UE 
4 1213 ll 
5 1202 14 
6 1216 15 
“i 1201 9 
8 1210 T 
9 1203 9 
10 1212 9 
EL 1203 
Mean, 1202 1212 
Minimum, 1201 1210 
Maximum, 1203 1216 
Difference between means, 10 Ibs. 
Maximum difference between magnetized pieces, 6 lbs. 
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