206 W. Gibbs on the wave lengths 
Taste VII. 
Fraun- Ditschei- Ditschei- v.D. Wil- 
hofer. ner 1. ner 2, Angstrom. ligen. Mascart B 
eae ee ea 1:20 763 Pete 60°6 
Bs 687°85 687°81 688-33 687'49 687°48 686°66 686°9 
C 655-63 656°66 657-11, 656°7T 656°56 65607 65671 
eee 590°07 590°53 §90°04 589°86 589°43 ae we 
a> GSB: oe 589°89 589-43 589-26 588°82 588°8 
E 626751 527°42 527-83 527°38 bat ae 526°79 526°8 
{era 517-70 518-09 51766 51751 517-06 
F 
res . 
i, 396°30 397-10 397-42 397716 39713 396772 3968 
. * 6 
stants deduced for each portion of the scale. Unfo rae unately 
several errors have crept into the table of constants ; these 
will correct in this place, giving the proper values in table VILL 
; Taste VIII. 
b a 
6941 877 = 656-65 — 26-325 «410490 +:0°3618 =n 
1 
2 877 113571 61419 —17-670 -—55610 +46196 —08918 
Se-- 11861 13035 671-47 .—14-008. +15466 —0-370T cco 
4  1303% 14215 650°82 —12-842 +49:1860 —O0-7367 case 
5 14215 15776 63749 —10-063 —0-6920 +0:°7960  a---- 
-S — 10576. 17604 523:09 — 8-125- +0-3911 02463 ise 
1 1%50°4 «1920-2 51030 — 6-792 -—0-1661 +01180 - 
S$ 1920-2 2067-1 49876 — 5-029 —42935 +1°6624 acon : 
Bore eur 62500 «487-56 . =~ 87295... aos (or 
10... 22500 25472 (471-24 — 048 Ea ee aati 
Wk 25402 (2721-6 449-67 «= — 6-154. 04536 40-2028 wanes 
12 221-6. 2869-7 «438-68 «= — 7-028 «42-1490 +1:5740 —1 6300 
By means of these constants the wave lengths of all the me 
tallic lines upon Kirchhoft’s chart have been computed. Thes? 
are given in table [X.* 
Taste IX, 
“hearer 1216 56024 (5a ios ae 
M178 650-47 (2b) 1224-9 559-87 (Gap 718 650-24 (2) 1347 553 40 Ga) 
$201 649'88 (2c) 12283 559-42 (2d) 874-3. 614-78 (4b) 
9 647-60 (2b) 12296 55927 (4c) 890-2 611-75 (ib) 1301 
W317 646-93 (5) 1235 558-62 (3d) 908-5 600-17 1317 ie 
tao S400 (8b) 14435 535-25 (2b) 934 G 13206 54568 
SU Tt Rae ae a 1505 
SHS 62090 15903 52675 (4c) 1050" Sanes ieee See 
$48 619-95 15825 5:26:55 (4b) 1083-57851 (2a) 1578S SLANT 
95 61954 15331 526-49 (4b) 1274-2 55396 (3b) 1582 5224 
aa pried rnc 519-24 5b) 12875. 55240 (1e) —s ee 
39 8828 50466 (: 714 542°87(1b) 23866 461 ¢ 
3603 61750 (Sd) 2058 488-40 (6c) 1980S sono (Gp sess 43138 
863-9 5 8 eS 18 
Foppetreer i, 26065 445.03 (5c) 2031-1 (2c 431 
pedi a 2638°5 +5 2) ree 456°36 (Gb) 
sg SO, BS IS raceme 
D2 43156 (4) RONTI 
ae bow Gs) Rar Bee 1 Se 
3 one 7 48021 (ec) 7175 65068 leag, BATE 
12192 560°53 (3c) 7533 64138 (3b) 16559 51717 
* In this table the intonities of of the lines are denoted on an increasing sca# “ 
the n umbers 1, 2, 3, 4,6, 6 and the breadths by the letter a, b +e 
that a a denotes the least ‘and g the greatest breadth, 
