330 On the Determination of Magnetic Moments. 



Table (continued). 



Description of 

 temper. 



No. of 

 magnet. 



First magnetization. 



Second magnetization. 



Total 

 magnetic 

 moment. 



Magnetic 

 moment 



per 



gramme 



mass. 



Total 

 magnetic 

 moment. 



Magnetic 



moment 



per 



gramme 

 mass. 



Glass-hard, re- ( 

 heated to 290° | 

 C. and cooled^ 

 in air. (Light | 

 blue.) ^ 



46. 



47. 

 48. 

 49. 

 50. 



20531 

 20-291 

 20-254 

 20-464 

 20-409 



75-757 

 75-713 

 74-736 

 75-372 

 79-146 







Mean 





20-39 



—76-14 







Glass-hard, re- ( 

 heated to 300° | 

 C. and cooled ■{ 

 in air. (Full | 

 blue.) ^ 



51. 

 52. 

 53. 



54. 



55. 



20-464 

 21-389 

 22-080 

 21-595 

 21-519 



75-097 

 79-220 



80-732 

 78-812 

 79-115 



21-017 

 21-504 

 21-634 

 21-702 

 21-866 



77125 



79-644 

 79-099 

 79-206 

 80-389 



Mean 



21-41 



78-60 



21-54 



79-09 



Glass-hard, re- ( 

 heated to 310° | 

 C. and cooled ■{ 

 in air. (Very j 

 dark blue.) '^ 



56. 



57. 

 58. 

 59. 

 60. 



20-849 

 20-979 

 21-036 

 21-379 



22-248 



78-674 

 79-316 

 80-014 

 81-444 

 76-764 







Mean | 



2130 



79-24 







Heated to a ( 

 bright red heat j 

 and cooled in<( 

 boiling water. | 

 (Glass-hard.) [ 



61. 

 62. 

 63. 

 64. 

 65. 



17-534 

 18-987 

 18-334 

 19936 

 19-025 



61-308 

 66-272 

 63-993 

 68-871 

 65-605 



17-944 

 18819 



18-449 

 19-930 

 19-597 



62-741 



65-686 

 64-394 

 68-813 

 67-576 



Mean 





18-76 



65-21 



18-95 



65-85 



Heated to a j 

 brightred heat J 

 and cooled in j 

 cold oil. 



66. 

 67. 

 68. 

 69. 

 70. 



17-888 

 17'551 

 17011 

 17-546 

 17-589 



63-433 17-986 

 62-127 17-615 

 60-216 17-615 

 62110 ; 17-059 

 62-151 17-096 



63-780 

 62-354 

 62-354 

 60-385 

 60-410 



Mean 





17-52 



62-01 



17-47 



61-86 



Heated to a j 

 brightred heat J 

 and cooled in j 

 oil at 100° C. ! 



71. 



72. 

 73. 

 74. 

 75. 



19-322 

 19 594 

 19-826 

 19 805 

 19-361 



70-390 

 70-864 

 72*358 

 72-281 

 71-103 



19-678 

 19-993 

 19-975 

 19-^45 

 19-401 



71-687 

 72-307 

 72-901 

 72-427 

 71-317 



Mean 





19-58 



71-40 



19-78 



72-13 



