108 
THE ASTRONOMER ROYAL, CORRECTED WAVE-LENGTHS 
Measures of Wave-Lengths, in Millimetres, for the Spectral Lines produced by Air and 
different Metals: collected from the Tables in the Phil. Trans. 1868, and corrected 
by the general Table of Corrections above. 
Air. 
Ba 
Ca 
m.m. 
m.m. 
m.m. 
• 000 . 
o-ooo. 
0 - 000 . 
65734 
65060 
43135 
65716 
61520 
43079 
65696 
61208 
43049 
65252 
58626 
64896 
57902 
Cd 
60084 
55438 
64494 
60063 
55283 
46898 
60037 
54324 
60029 
49402 
59992 
49073 
Ce 
59944 
45626 
56467 
59860 
45329 
55727 
59845 
45327 
55644 
59800 
54799 
59764 
54764 
59753 
54721 
59730 
Ca 
54170 
59669 
67232 
53988 
59668 
65083 
53591 
59657 
65026 
53349 
59640 
64795 
52824 
59608 
64727 
52381 
59568 
64595 
52369 
59556 
64494 
52364 
59540 
61798 
51984 
59534 
61725 
51938 
59510 
61311 
51931 
59504 
61113 
51544 
59429 
58666 
51243 
59424 
56118 
50876 
59304 
56102 
50843 
59299 
56072 
50826 
59291 
56033 
49780 
59230 
55988 
48899 
59213 
55972 
47472 
59139 
55906 
59120 
53544 
Co 
59106 
52782 
61311 
59083 
52731 
54916 
59004 
52717 
53589 
58967 
52698 
53578 
58955 
52694 
53492 
58936 
51953 
53483 
58888 
50501 
52893 
58871 
48849 
52761 
58852 
44616 
52739 
58834 
44611 
52414 
58826 
44607 
48735 
44400 
48218 
44398 
48013 
A n 
44309 
47889 
62869 
44307 
47600 
48013 
43262 
45915 
43139 
45389 
Cr 
m.m. 
o-ooo. 
54164 
52148 
52126 
52110 
Cu 
57920 
53012 
52248 
51607 
51131 
46618 
Di 
56028 
55966 
54402 
54394 
53664 
53261 
52818 
52810 
52669 
52619 
52556 
52406 
51359 
Fe 
64999 
64094 
63115 
62404 
62013 
61465 
60774 
60393 
59250 
57720 
56332 
56250 
56118 
55952 
55846 
55814 
55777 
54711 
54637 
54554 
54531 
54420 
54375 
54312 
Fe 
m.m. 
o-ooo. 
54222 
54173 
54125 
54111 
54039 
53989 
53896 
53773 
53759 
53734 
53704 
53465 
53456 
53341 
53338 
53302 
53234 
53102 
52930 
52908 
52782 
52772 
52739 
52391 
52332 
51990 
51981 
51783 
51757 
51742 
51693 
51467 
51411 
50274 
49617 
49615 
49304 
49279 
49263 
48991 
48982 
48849 
48777 
48770 
48645 
44198 
44091 
43878 
43874 
43323 
43142 
43139 
La 
m.m. 
0 - 000 . 
53884 
53871 
53827 
53464 
52107 
51948 
51902 
48179 
(La, Di) 
58727 
58162 
58142 
58067 
58007 
57988 
57776 
55114 
55097 
54931 
54617 
53110 
53087 
51990 
51982 
51307 
51219 
50087 
50082 
50027 
49769 
49408 
49402 
49288 
49282 
49074 
48654 
48313 
47586 
47533 
47506 
44351 
Li 
61112 
Mg 
51902 
51793 
51742 
Na 
m.m. 
0000. 
59057 
58989 
Ni 
61257 
61178 
59018 
58666 
54849 
51838 
51757 
51625 
51538 
51494 
51443 
51230 
51076 
51071 
50887 
50883 
50439 
50265 
49909 
49868 
49418 
49254 
49117 
48790 
48719 
48603 
48388 
48372 
47953 
47661 
47246 
46580 
Pd 
57460 
57038 
56789 
56524 
55551 
55499 
55380 
54007 
54000 
53683 
53509 
53202 
53030 
52632 
52414 
Pd 
m.m. 
0000 . 
52409 
52149 
51712 
51707 
51190 
50707 
48814 
48296 
47974 
Pt 
54838 
53097 
53089 
52336 
50678 
50673 
48857 
45067 
(Ru, Ir) 
63579 
54582 
53082 
Sr 
64173 
55431 
54899 
43119 
43116 
43113 
Zn 
63734 
48186 
47323 
46921 
