ELECTRODYNAMIC QUALITIES OF METALS. 
81 
Table IV.—Bar of Wrought Nickel.—continued. 
Operations. 
Readings. 
Zero 500. 
Differences. 
Total 
magnetization. 
Strength of 
magnetizing 
current. 
285 lbs. on . 
923 
- 17 
-423 
„ off ... . 
939 
+ 16 
-439 
B . . . 
726 
-213 
-226 
285 lbs. on ... 
665 
- 61 
-165 
„ off ... . 
697 
+ 32 
-197 
,, on ... 
664 
- 33 
-164 
„ off ... . 
696 
+ 32 
-196 
+ M .... 
48 
-648 
+ 452 
432 
285 lbs. on ... 
63 
+ 15 
+ 437 
„ off ... . 
48 
- 15 
+ 452 
„ on ... . 
63 
+ 15 
+ 437 
„ off ... . 
47 
- 16 
+ 453 
B . . . . 
268 
+ 221 
+ 232 
285 lbs. on ... 
329 
+ 61 
+ 171 
» off ... . 
297 
- 32 
+ 203 
„ on ... . 
330 
+ 33 
+ 170 
„ off ... . 
298 
- 32 
+ 202 
+ M .... 
13 
-285 
+ 487 
580 
285 lbs. on ... 
25 
+ 12 
+ 475 
„ off ... . 
16 
- 9 
+ 484 
„ on ... . 
28 
+ 12 
+ 472 
„ off ... . 
18 
- 10 
+ 482 
B . . . . 
268 
+ 250 
+ 232 
285 lbs. on . 
334 
+ 66 
+ 166 
„ off ... . 
299 
- 35 
+ 201 
„ on ... . 
334 
+ 35 
+ 166 
,, off ... . 
299 
- 35 
+ 201 
-M .... 
963 
+ 664 
-463 
580 
285 lbs. on ... . 
954 
- 9 
-454 
„ off ... . 
963 
+ 9 
-463 
,, on ... . 
952 
- 11 
-452 
„ off ... . 
961 
+ 9 
-461 
B . . . 
724 
-237 
— 224 
285 lbs. on ... 
664 
— 60 
-164 
„ off ... . 
697 
+ 33 
-197 
„ on ... . 
663 
- 34 
-163 
„ off ... . 
696 
+ 33 
-196 
Reading brought to . 
617 
—M .... 
900 
+ 283 
-479 
708 
285 lbs. on . 
892 
- 8 
-471 
„ off ... . 
897 
+ 5 
-476 
„ on ... . 
889 
- 8 
-468 
„ off ... . 
897 
+ 8 
—476 
B . . . . 
645 
—252 
— 224 
285 lbs. on ... . 
582 
- 63 
-161 
„ off ... . 
616 
+ 34 
-195 
„ on ... . 
582 
- 34 
-161 
„ off ... 
615 
+ 33 
-194 
Reading brought to . 
765 
+ M .... 
74 
-691 
+ 497 
708 
285 lbs. on ... 
81 
+ 7 
+ 490 
„ off ... . 
76 
- 5 
+ 495 
„ on ... . 
83 
+ 7 - 
+ 488 
„ off ... . 
76 
- 7 
+ 495 
MDCCCLXXIX. 
M 
