352 Peirce — Induction Coefficients of Hard Steel Magnets. 



Table II. — Polished Crescent Steel Drill Rod. 





t 



a 



a 



s 



.2 



i 

 s 



It 



a « 



il 



Moment per gramme of magnetism 



induced in the specimen when 



placed lengthwise in a unit field. 



Permanent magnetic 

 moment per gramme 

 of the seasoned 

 magnet 



io of 

 ment 

 field to 

 mio- 

 soned 



a 

 1 



o 



9 



i 



a 

 3 



II 

 ill 



i m N 



III 



4\ 





a)-c p a> 



< 



20 



111 



7-6 



0-44 



0-23 



0-28 



0-30 



30-5 



0010 



18 







041 



0-22 



0-26 



0-28 



25-5 



0011 



16 







0-38 



0-21 



0-24 



0-25 



21-5 



0-012 



14 







0-34 



0-20 



0-22 



0-23 



17-5 



0-013 



12 







0-29 



019 



0-19 



0-20 



15-0 



0014 



10 







0-25 



0-17 



0-17 



0-18 



120 



0-015 



8 







0-20 



0-15 



014 



0-15 



10-0 



0-015 



6 







0-15 



0-13 



Oil 



0-11 



8-5 



0-015 



4 







0-11 



0-08 



0-08 



008 



5-5 



0017 



20 



095 



5-5 



050 



023 



0-25 



0-26 



36-5 



0007 



18 







0-48 



0-23 



0-24 



0-25 



325 



0-008 



16 







0-45 



0-22 



0-23 



24 



280 



0009 



14 







0-42 



0-21 



0-21 



0-22 



24-0 



0-009 



12 







0-37 



0-20 



0-19 



0-20 



20-5 



0010 



10 







0-31 



018 



0-17 



0-18 



170 



0011 



8 







0-25 



0-16 



0-15 



• 0-16 



14-0 



0-012 



6 







0-19 



013 



0-13 



013 



10-0 



0013 



4 







0-12 



009 



OiO 



010 



7-0 



0-014 



20 



0-80 



39 



0-61 



0-24 



0-24 



0-30 



41-0 



0-007 



18 







0-58 



0-23 



0-23 



0-29 



36-5 



0008 



16 







0-54 



0-22 



0-22 



0-28 



32-5 



0-009 



14 







049 



0-20 



0-20 



027 



26-5 



0-010 



12 







0-44 



0-18 



0i8 



0-26 



240 



0011 



10 







0-39 



0-16 



016 



0-24 



20-0 



0-012 



8 ' 







0-31 



0-14 



0-14 



0-21 



17-0 



0012 



6 







'0-23 



0-12 



012 



0-16 



130 



0014 



4 







015 



0-09 



0-09 



0-12 



8-5 



014 



20 



0-64 



2-4 



069 



0-26 



0-23 



0-25 



43-0 



0006 



18 







0-65 



0-25 



0-23 



0-24 



38-0 



0-006 



16 







0-61 



0-24 



022 



024 



33-5 



0007 



14 







0-56 



0-23 



021 



0-23 



28-0 



0-008 



12 







0-49 



022 



0-20 



0-22 



23-0 



0009 



10 







0-42 



0-21 



0-19 



021 



19-0 



0-010 



8 







0-33 



0-19 



0-17 



0-18 



15-0 



0-012 



6 







0-25 



0-16 



0-13 



015 



11-0 



0014 



4 







0-16 



Oil 



0-ro 



0-10 



7-0 



0014 



