2 July 28 

 >> 



3 Jnlv 31 



13.2635 



6=.4 



13.2010 



27^.5 



13.2041 



5^0 



13.2025 



27°5 



13.2052 



6°.2 



13.202S 



27^7 



11.0994 



1S°.0 



ll.OSOil 



30^0 



On-;i;i:\"ATio.\s at S.vri>oR<i. 







Time 



Mpan 



Tinii? 



Moan 



Mnff. 



Dato 



(uiicoi'recteJ) 



Are 



(con-ecteil) 



Tiniii). 



1 



Aug. 18 



14.11G5 



30°.0 



14.0502 



27°.5 



2 



)> 



14.0003 



10=^.1 



14.0524 



2S°.0 



)> 



!) 



14.0150 



7^7 



14.01)1 



27.^6 



)i 



)> 



14.0178 



17°.0 



13.9985 



27°.5 



?> 



,, 



14.01.^0 



17°.0 



13.9957 



27^5 



If 





14.0095 



13°.0 



13.9983 



27^5 



3 



5» 



12.7700 



2.5°.0 



12.7320 



27°5 



OüSKUVATIOXS AT ToKlD .VFTlCIt TIIIC SaPPoKO EX( IIISK^N. 









Time» 



Mean 



Tinii! 



Moan 



j\r.-ig. 



Da!. 





(uiK'on'ccli.'il) 



Are 



{eorrecti'il) 



Tcmii. 



1 



Aug. 



31 



13..3083 



G°.5 



13..3O50 



28^4 



15 







13.3097 



S°.3 



13.3053 



.30^.0 



J» 





'» 



13.3103 



10^6 



13.3031 



29^8 



2 



Aug. 



28 



13.2000 



9=.6 



13.2.541 



29°. 5 



M 





2;» 



13.2072 



9 .5 



13.2014 



28 -\5 



3 



Sept. 



•2 



12.0440 



10^0 



12.0382 



29'.0 



Ni>. 1 ami No. 2. were cyliiulrical in lorni and both of tlie saiiin diniensions : 

 lengtli 17.5 c. m. diameter 0.8 c. m. 

 weight 73.8 gnus. 

 No. 3. was a rectangular rod : 



length 12.0 c. m. section 1.0 c. ni. hy 0.5 c. m. 

 weight 08"8 grms. 



A fiiiminary of the results is given below : — 



Ui'lori' Sajiporo. Sapporo Aft<,'r Sapjioru 



1. 13.3107 14.0543 13.3040 



2. 13.2021 14.0009 13.2578 



3. ll.(;809 12.7320 12.0382 



In the reduction of tlie results, tlie mean of tin; times of viliration before 

 and after Sapporo is taken. 



The ratio of the two intensities is e<jual to tlie stpiare of the inverse 

 ratio of tiie times of vibration, wiience we g<'t for tin- ratio of II at Sapporo to IT 

 at Tokio ;— 



