TME MOBILITY OF LARGE IONS IN THE AIR. 



67 



Table II. 



6 



ft 



6 

 u 



V 

 CO 

 00 



o> 

 u 



Ph 



m 



Interval of 

 time from 

 contact with 

 drying agent. 



l/*7«.o 



*760 



x 10 6 



Mean 



^760 



x 10 6 



*3. 



U on 



a ® ° 



Us, 



1908 



° c. 





gm/m 3 



mins. 











March 26 



24-0 



756 





1 



2790- 



358- 





9470 



„ 27 



230 



755 





33 



2700- 



370- 





3320 



„ 30 



22-5 



757 



8-0 



33 



2750- 



364- 



363 



5290 



„ 31 



23-0 



755 





33 



2700- 



370- 





2670 



April 1 



33 



759 





33 



2820 - 



355- 





7870 



„ 30 



18-9 



769 





3 



2420 - 



413- 





18330 



„ 30 



33 



768 





33 



2580- 



388- 





7050 



May 1 



19-0 



766 



5-5 



33 



2210- 



452- 



419 



11750 



n 5 



jj 



757 





33 



2340 - 



427- 





10180 



„ 5 



3) 



33 





33 



2400 - 



417- 





8930 



April 28 



18-2 



766 



r 



7 



1810- 



552- 



1 



7680 



28 



)) 



3» 





33 



1810- 



552- 





33 



May 11 



18-1 



763 





33 



1830 - 



546- 





11880 



n 11 



33 



33 



5-4-j 



3) 



1820- 



549- 



j>555 



10540 



„ 13 



18-0 



758 





13 



1790- 



559- 





5950 



„ 14 



18-4 



756 





33 



1750- 



571- 





4800 



„ 15 



17-5 



767 



i 



33 



1780 + 



562 + 





3260 



1909 



















April 2 



22-0 



758 





33 



1840 + 



543 + 





5110 



„ 5 



210 



766 





33 



1790 + 



559 + 





1770 



1908 



















Oct. 22 



167 



766 





33 



1270 + 



787 + 





6930 



n 28 



19-1 



765 



0-6 



33 



1220- 



820- 



798 



6250 



n 28 



33 



33 





33 



1270- 



787- 





33 



1909 



















Jan. 21 



[26 



752 





33 



2600 + 



385 + ] 





3320 



„ 25 



25-5 



764 





33 



3190 + 



313 + 





6240 



Feb. 1 



235 



762 





33 



2910 + 



344 + 





1380 



„ 3 



23-0 



756 



18-4 



3190 + 



313 + 



317 



3190 



» 4 



22-3 



762 



33 



3190- 



313- 





1600 



,, 5 



21-6 768 



<3 



3330- 



300- 





2440 



where some interlocking of the measures was possible. For 

 the measurements with an average humidity of 18*4 gms. 

 per cubic metre, air was used from a water sealed gasometer, 



