MAGNETIC AL C S ER V A T I X S. 



29 



Horizontal intensity. Experiments of vibration. 



1856. October 9, A. M. Vibrating magnet D 3. 



No. 



Chronometer. 





 10 



20 

 SO 

 40 

 50 

 100 



9" 



43^6 



9 8 



36 3 



2.8 



29 2 



55 6 



7.6 



No. 



200 

 210 

 220 

 230 

 240 

 250 

 260 



Chronometer. 



9" 



9° 



!) 

 10 

 10 

 11 

 11 

 12 



31».6 

 57 9 

 24.6 

 50.6 

 17.0 

 43 2 

 96 



Time of 200 vibrations. 

 8"" 48" 



48 1 

 48.3 

 47 8 

 47 8 

 47.6 



47 93 



Extreme scale readings. 





 100 

 250 



170 

 19.0 

 22.0 



43 

 410 

 38.0 



Temperature 75°. 5 F. 

 Time of 1 vibration 2^6396. 



1856. October 9, P. M. 



Vibrating majnet D 3. 



No. 



Clironometer. 





 10 

 20 

 30 

 40 

 50 

 100 



10'' 



46" 



46 



46 



47 



47 



48 



50 



5^8 



32 1 

 58.4 

 25.0 

 513 

 17.5 

 29.2 



Time of 300 vibrations. 



13" IIM 

 110 

 11.0 

 10.8 

 10 9 

 11.3 



13 11.02 



Extreme scale readings. 





 100 

 200 

 350 



22.5 

 24.0 

 25.0 

 26 



37 5 

 36.0 

 35.0 

 34.0 



Temperature 72°.0 F. 

 Time of 1 vibration 2'.C367 



Horizontal intensity. Experiments of vibration. 



1856. October 9, P. 51. Vibrating magnet D 3. 



No. 



Chronometer. 





 10 



20 

 SO 

 40 

 50 

 104 



Extreme scale readings. 





 104 

 264 



21.0 



22.7 

 24.0 



39 

 37.3 

 3(5 



No. 



204 

 214 

 224 

 234 

 244 

 254 

 264 



Time of 204 vibrations 



8"" 58^2 



58.2 



57 8 



58 

 574 

 57.6 



Temperature 71°. 6 F. 

 Time of 1 vibration 2'.63G6. 



57 84 



