72 
PROFESSOR W. N. HARTLEY AND MR. W. E. ADENEY 
Tables giving in linear measurements the positions of the fiducial lines on the 
several spectra photographed (continued). 
Spectra to the left. 
Portions 17-26. Measurements in hundredths of an inch. 
( 10 ) 
Fiducial lines. 
Iron. 
Antimony. 
Mean. 
XII. 
o-ooo 
o-ooo 
o-ooo 
XIII. 
85-805 
85-790 
85-800 
XIV. 
168-005 
168-020 
168-010 
XV. 
246-635 
246-700 
246-700 
XVI. 
322-030 
321-960 
322-000 
XVII. 
394-570 
394-150 
394-000 
(11) (12) (13) 
Fiducial lines. 
Tin. 
Thallium. 
Indium. 
XII. 
o-ooo 
o-ooo 
o-ooo 
XIII. 
85-725 
85-685 
85-625 
XIV. 
168-080 
167-810 
167-715 
XV. 
246-435 
246-400 
246-055 
XVI. 
321-800 
321-615 
321-310 
XVII. 
393-910 
393-880 
393-140 
Spectra to the right. 
Portions 11-18. Measurements in hundredths of an inch. 
(1) (2) (3) 
Fiducial lines. 
Magnesium. 
Thallium. 
Zinc. 
i. 
o-ooo 
0-000 
0-000 
ii. 
101-530 
101-660 
102-140 
hi. 
198-000 
198-630 
198-965 
IV. 
289-540 
290-175 
290-220 
V. 
376-500 
377-270 
377-430 
VI. 
458-905 
459-760 
459-950 
