ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 281 
BLUE SPECTRUM OF ARGON—continued. 
Reduction to 
ease Briones Vacuum Oscillation 
7 Intensity} Observations Ten eeann e eregueney: 
Kayser Eder & ren ue in Vacuo 
(a) Valenta (b) A 
| 456455 3 | 1:25 6:0 21901-9) 
| 4563°87 3 £ % 21905°1d 
4561°20 1 _ 61 2191800 
| 4547-88 2 Mees) ” 21982°1) 
4545-220 | 4545-26t 6 4543°5 Crookes ,, F 21949-9ab 
| 4535-70 3 | 1:24 as 22041-2) 
4530°73 3 [veg : 22064°1b 
4503°111 4503°15 5 1:23 re 22200°Tab 
449368 4 ” ” 22222'6d 
4491-221 4 3 62 22259°5d 
4482-003 4481-99+ 5 4478°3 a | sens a 22305:2ad 
4475°015 447515 2 ; OX - 22339°8ab 
4460-682 4460°70 2 1:22 5 22411°9ad 
4449-123 444913 2 ” ” 22469°9ad 
4443-545 4443-50 1 ” ” 22498'4ab 
4439°539 4439-50 1 ” ” 22518:9ab 
4434-037 4434-10 2 ” ” 22546:5ad | 
4431:172 4431:16*t 3 ” ” 22561°8ad 
4430°355 4430°35*f 5 4426°5 4 | 1-20 63 22565:3ab 
4426°165 4426°16*} 8 4422°5 +3 | a - 22587:2ab 
4421-113 4421-06} 1 | PR a 22612:5ab 
4408-095 4408-06 1 ” ” 22679°3ad 
4401°156 4401:19*+ 5 4399-5 iy $4 22715:0ab 
4400°271 4400:25*+ 3 } » . 3 22719°Tab 
4383-900 438394 2 1:20 es 22803 :3ad 
4379°827 4379-79*F 5 437675 a x i 22825'7Tab 
4376:112 4376°15t 3 “ 3 22845-4ad 
4375-201 437525 1 me ‘ 22849-Tab 
4371°504 4371-46*f + \ 4369-0 an sé 22869:4ad 
4370°928 4370°92+ 3 Ve 2] ss * 22872°2ab 
4367°952 4368:04t 1 uf a 22887-4ad 
4362°229 4362°20t 2 a 6:4 22917-Tab 
4352°368 4352°40t 4 1:19 -f 22969-5ad 
4348:°222 4348-11*f 9 4348-5 a AF 5 22992-3ab 
4343-904 4343-90 2 e os 23014-4ad 
4337°244 4337:20* 1 id oS 23049°9ad 
4333-70 4333°65*} 4 a oR 23068°7ab 
4332-205 4332715 3 5 +. 23076-7ab 
4331°354 4331:31*f + 4333-5 a Py F 23081:2ad 
4309°311 4309-31} 2 1:18 5 23199-2ab 
4300°824 4300°82+ 2 4299:0?  ,, * 6°5 23244-9ab 
4298-222 4298:20 1 3: 7 23259: 0ab 
4283-054 4283-03} 3 as ie 23341-3ad 
4277-718 | 4277-65* 6 4277:0° —%, 1:17 ss 23370°6ad 
4275°327 4275°34 1 ” ” 23383:'5ad 
4266-684 4266°44*+ 6 42660 _ ,, 5 - 23431-6ad 
4255-73 1 # ks 23491-2D 
4237°395 4237°34 3 1:16 66 23593:0ad 
4229-813 1 K - 23636-la 
4229-015 1 % % 23639-6a 
4228:310 4228:°27*f 5 4228°5 is ‘ a3 23642:5ad 
4227-146 4227-14 2 e 4 23650°6ad 
4222-839 4222-76 3 i a 23674-4ad 
4218-843 421879 3 a 7 23696'7ab 
4203609 4203°54 1 115 * 23782°Tab 
