Equilibrium of Ether in Ponderable Matter 

 Cloths changed over. 



289 



July 12. Position on Eight. Position on Left. 

 White Cloth. Black Cloth. 



Time. No. 1184. No. 1207. No. 1181. No. 1207. 



3.0 



10 

 20 

 30 

 40 

 50 

 4.0 

 10 



o 

 251 



25-1 



25-6 



25-0 



o 



24-8 

 25*3 

 24-5 

 24 V 5 



o 

 26T 

 26-2 

 26-1 



o 

 26-2 



26-3 



26-1 



26-2 



Excess of Reading under Black 



Cloth, conditions being : 

 (a) (J) (c) (d) 



11 



i-2 



1-6 

 1-2 



1-3 



09 



1-0 



0-5 



25-5 



Cotton Cloths. 

 July 13. Position on Right. Position on Left. Excess of Reading under Black 

 White Cloth. 



Black Cloth. 

 Time. No. 1184. No. 1207. No. 1184. No. 1207.1 (a) 



Cloth, conditions being: 



11.0 

 15 

 30 

 45 

 55 



12.10 

 20 

 30 

 40 



o 



23 : 5 

 23-6 

 23-2 



24-3 



o 

 24-6 



230 



23 : 6 

 23-3 

 24 : 3 



o 

 253 



237 



24-5 



242 



251 



o 

 24-8 

 24-8 

 24 : 4 

 24-9 



(b) 



o 



0-7 



1-3 

 0-7 

 1-2 



1-2 



w 



09 



0-9 

 0-8 



(d) 



0-6 



Changed Positions of Cloths. 

 July 13. Position on Right. Position on Left. Excess of Reading under Black 



Black Cloth. White Cloth. 



Time. No. 1184. No. 1207. No. 1184. No. 1207. 









o 



o 



o 



o 



2.10 



270 







24-2 



2-8 



20 





26 ; 



25-2 







35 



27 : 3 







25-5 



1-8 



45 





26-6 



253 





L3 



55 



26-7 







25-6 



1 



3.5 





25-5 



24-9 







15 



26-4 







25 : 3 



1-1 



25 





26 : 9 



25 : 6 





1-3 



35 



270 







25-8 



1-2 



Cloth, conditions being : 

 (6) (c) (d) 



6-8 



IT 



o 



0-6 



Observations made on a stand in the Garden about 4 feet 

 above ground. No shade. 



Woollen Cloths. 

 July 18. Position on Right. Position on Left. Excess of Reading under Black 





Black Cloth. 



White Cloth. 



Cloth, 



conditions bein 



g- 



Time. 



No. 1184. 



No. 1207. 



No. 1184. 



No. 1207. 1 



(a) 



(b) 



(<0 









o 



o 



o 



o 







11.50 



28-2 







25-9 



23 







12.0 





271 



25 ; 6 







1-5 



o 



10 



25-9 







2T6 







1-3 



20 





25*6 



24T 









1-5 



30 



• 247 







23-2 







1-5 





White Cloth. 



Black Cloth. 









2.50 



24-8 







25-5 





0-7 





3.0 





24-6 



25 : 6 





10 







10 



24-9 







26-6 



1-7 







20 





24-4 



25 : 3 









0-9 



30 



24-2 







25-8 



1*6 







