286 



Scientific Proceedings, Royal Dublin Society. 



03 5 2 



g S d 



2 3 ■" 



t-^ CS HO 



a g c3 





-^3 J= 



-2 tb 



Element. 





Pei'sistency and 

 Intensity. 



Spark. 



Vacuum 

 tube. 



205-00 

 lo.5-4o 

 158-05 

 160-40 

 167-10 

 171-55 

 19-4-35 

 202-75 

 205-00 

 213-70 

 222-65 

 226-65 

 238-15 

 238-65 

 240-50 

 241-05 

 251-20 

 253-20 

 254-60 

 277-70 

 298-40 

 301-80 

 305-80 

 309-30 

 309-90 

 312-15 

 314-30 

 316-00 

 316-35 

 318-55 

 328-30 

 331-55 

 334-20 

 341-03 



Cd[5J 



S 



S 



Cd[l] 



m 



S 



Cd[4] 



m 



Cd [5] 



S 



Cd[7] 



S 



lU 



m 



f 



f 



b' 



m 



m 



Cd[9] 



Cd[ll] 



m 

 h' 

 S 

 b'- 



Cd 



Cd 



m 



b' 



b' 



m 



bv 



[12] 



194-35 



204-98 



- -07 

 222-53 



- -11 



- -OS 



- -08 



- -08 



- -07 



- -05 



- -01 



- -04 

 277-72 

 298-48 



+ -07 

 + -05 

 + -03 

 + -03 

 + -02 

 + -01 

 316-05 

 316-35 

 + -00 



- -04 

 -•05 

 --05 



- -07 



6560-0 



6439-3 



6050-0 



5880-0 



5086-1 



4858-0 



4800-1 



4599-4 



4415-9 



4339-5 



4139-0 



4130-6 



4100-7 



4093-2 



3942-5 



3S14-7 



3895-2 



3611-8 



3403-7 



3373-0 



3338-6 



3309-0 



3303-9 



3285-2 



3267-0 



32.52-6 



3-250-5 



3233-0 



3159-4 



3136-5 



3117-4 



3068-0 



Li 

 H 



Li 



Na 



H 

 Li 



H 



N 

 Li 

 H 



N" 

 N" 

 Li 



N" 



N 



N 



Na 



N 



N 



Li 



N 

 N 

 N 

 H2O 



6708-2 

 6563-0 



6103-8 

 5893-2 



4861-5 



4602-4 



4340-7 

 4141-2 

 4132-6 

 4101-8 

 4094-0 

 3942-5 

 3915-2 

 3894-2 



3371-2 

 3338-6 

 3309-4 

 3302-8 

 3284-8 

 3267-5 



3232-8 

 3158-9 

 3135-7 

 3116-4 

 3067-2 



10 

 20 



10 

 10 



20 



10 



10 



ui 10 

 9 



10 



ui 8 



8 

 10 

 10 



2 

 10 

 10 



5 

 10 



10 

 10 

 10 

 10 

 10 

 10 



6 

 10 

 10 



8 

 10 



