. The London, Edinburgh and Dublin philosophical magazine and journal of science. cent., and in thecase of those tempered blue by 4*4 per cent. Description oftemper. No. ofmagnet. First magnetization. Second magnetization. Totalmagneticmoment. Magneticmoment per gramme mass. Totalmagneticmoment. Magneticmoment per gramme mass. Heated to bright^redness, and |plunged in 1water at about |15° C. (Glass-hard.) , 1. 20-49620-55120-55120-29120-328 72-296 71-85772-23571-32271-415 21-12921-20421-12921-18521-073 74-5297414074-29674-46474-201 Mean 20-44 71-82 21-14 74-33 Glase-hard, re- Iheated
. The London, Edinburgh and Dublin philosophical magazine and journal of science. cent., and in thecase of those tempered blue by 4*4 per cent. Description oftemper. No. ofmagnet. First magnetization. Second magnetization. Totalmagneticmoment. Magneticmoment per gramme mass. Totalmagneticmoment. Magneticmoment per gramme mass. Heated to bright^redness, and |plunged in 1water at about |15° C. (Glass-hard.) , 1. 20-49620-55120-55120-29120-328 72-296 71-85772-23571-32271-415 21-12921-20421-12921-18521-073 74-5297414074-29674-46474-201 Mean 20-44 71-82 21-14 74-33 Glase-hard, re- Iheated to 100° JC, and cooled jin air. 21-05420-56820-86920-86920-308 76-566 75-89775-88775-20374-651 21-3042105421-258 21-28520-626 77-47777-66077-27576-67075-800 Mean 20-73 75-64 21-10 76-98 Glass-hard, re-heated to 150°4C. and cooledin air. 15. 20-49620-68121-09220-25320-421 76-1077603276-69674-32374-834 20-66321-01721-29620-70120-504 76-67577-26577-44075-96275175 Mean 20-59 75-60 2073 76-50 of Magnetic Moments in Absolute (continued). 329. 330 On the Determination of Magnetic Moments. Table (continued). Description oftemper. No. ofmagnet. First magnetization. Second magnetization. Totalmagneticmoment. Magneticmoment per gramme mass. Totalmagneticmoment. Magnetic moment per grammemass. Glass-hard, re- (heated to 290° |C. and cooled^in air. (Light |blue.) ^ 46. 2053120-29120-25420-46420-409 75-75775-71374-73675-37279-146 Mean 20-39 —76-14 Glass-hard, re- (heated to 300° |C. and cooled ?{in air. (Full |blue.) ^ 54. 55. 20-46421-38922-08021-59521-519 75-09779-220 80-73278-81279-115 21-01721-50421-63421-70221-866 77125 79-64479-09979-20680-389 Mean 21-41 78-60 21-54 79-09 Glass-hard, re- (heated to 310° |C. and cooled ?{in air. (Very jdark blue.) ^ 56. 20-84920-97921-03621-379 22-248 78-67479-31680-01481-44476-764 Mean | 2130 79-24 Heated to a (bright red heat jand cooled in<(boiling water. |(Glass-ha
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