Moment of Inertia of Magnets. 



143 



Dummy alone (con.). 



Period. 



Temperature. 



o 



Pressure, 

 cms. 



Logarithmic 

 Decrement. 



9-4361 

 94356 



9-4358 

 9-4361 



16-9 

 16-9 

 16-9 

 170 



6-4 

 6-3 

 6-2 

 6-1 



•0021 

 •0020 



Means... 9-4359 



16-9 



6-2 



•0020 



Dummy + Bar No. 



1. 







16-3777 

 16-3779 

 16-3795 

 16-3795 

 16-3792 

 16-3777 

 163777 

 ] 6-3778 



17-7 

 17-7 

 160 

 160 

 160 

 15-8 

 16-0 

 16-1 



74-9 

 74-9 

 75-7 

 75-7 

 75-7 

 76-4 

 764 

 76-4 



•0023 



•0023 

 •0024 

 •0023 



Means... 16-3780 



164 



15-8 

 15-8 

 15-8 

 158 

 15-9 



75-8 



6-8 

 6-8 

 6-9 

 6-9 

 70 



•0023 



16-3722 

 16-3715 

 16-3723 

 16-3730 

 16-3723 



•0020 

 •0020 



16-3722 



15-8 



6-9 



•0020 



Dummy -4- Bah No. 



1 (Box open at sid 



es). 





16-3814 

 16-3808 

 16-3817 

 16-3817 

 16-3820 



16-8 

 15-1 

 15-2 

 15-3 

 15-5 



76-7 



76-8 

 768 

 76-5 

 76-5 



•0026 

 •0023 

 •0023 



Means... 16-3815* 



15-6 



15-6 



15-6 

 15-6 

 15-6 



76-7 



8-5 

 8-2 

 7-9 



7-7 



•0024 



16-3765 

 16-3759 

 16-3763 

 16-3763 



•0014 

 •0014 



Means... 163762 



15-6 



8-1 



•0014 



Dummy Bar No. 1 (in narrow box). 







16-3784 

 16-3786 

 16-3778 



15-9 

 15-9 

 16-1 



766 



76-6 

 766 



•0093 

 •0090 

 •0090 



Means... 16-3783* 



160 



76-6 



•0091 











* The inertia-bar was only adjusted in a symmetrical position by eye. This 

 accounts for the variation in period and not the change in the box, as will be 

 shown by some experiments mentioned later. 



