IN RELATION TO QUANTITATIVE CHEMICAL ANALYSIS. 
337 
The Antimony Spectrum. 
Scale numbers. 
Wave-length?. 
1 per cent. 
0*1 per cent. 
(V01 per cent. 
Hundredths of an inch. 
67-63 
3739-0 
80-74 
3597-8 
90-21 
3504'6 
109-36 
3336-4 
118-21 
3266-6 
120-8 
3246-6 
122-87 
3231-6 
152-91 
3029-0 
179-29 
2877-1 
2877-1 
2877-1 
197-05 
2789-6 
2789-6 
241-65 
2597-2 
2597-2 
2597-2* 
260-33 
2527-6 
2527-6 
. 
830-87 
2311-8 
The Bismuth Spectrum. 
Scale numbers. 
Wave-lengths. 
1 per cent. 
0'1 per cent. 
0-01 per cent. 
undredths of an inch. 
63T 
3792-7 
71-63 
3695-3 
80-99 
3595-7 
89-69 
3510-5 
98-4 
3430-9 
102-25 
3396-7 
146-85 
3067-1 
3067-1 
3067-1 
153-75 
3023-8 
3023-8 
158-98 
2992-2 
2992-1 
159-67 
2988-1 
J 
16852 
2937-5 
175-85 
2897-2 
2897-2 
183-91 
2854-8 
2854-8 
185-49 
2846-1 
2846-1 
294-66 
2414-8 
* There is a little doubt whether this is actually the line observed, as the scale number was omitted 
at the time the notes were written, and the line had the wave-length 2579"1 assigned to it, which is 
obviously incorrect, as no line with such a wave-length appears on my maps. 
MDCCCLXXXIV. 
2 X 
