ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 279 
MOLYBDENUM—continued. 
Wave-length 
Spark 
Spectrum 
Intensity 
and 
Character 
Reduction to 
Vacuum 
Oscillation 
Frequency 
in Vacuo 
3698-7 
97-8 
975 
97'1 
96-0 
95° 
94-6 
93°8 
92:7 
92-2 
91-7 
90:7 
90°5 
90-0 
89-0 
88:3 
87:6 
87-1 
86-7 
86:1 
85°8 
85:2 
84:3 
83:1 
82:7 
81-6 
80°6 
80-4 
80:1 
79-4 
79:2 
78°8 
78:1 
779 
76:4 
75:5 
73-9 
721 
7-9 
709 
70:7 
706 
70-0 
$69°5 
68-5 
68-4 
681 
67°8 
67°5 
67-0 
66:7 
65°8 
65-0 
_ 
Cel etl eel ell eel ce el ce ce ee om ee 
5B 
seg cel Maal aa ell 3 al wall 
+ Coincident with an iron line of the comparison spectrum. 
