676 



MR JAMES RUSSELL ON 



Table XI. — Superposed Magnetic Induction. — Cyclic. Shield B. (See Fig. xv.) 







H, = 20-4 C.G.S 



H,. superposed. 







H, = 20-4 C.G.S. 



IT, superposed. 



H c 



BG 



Totals. 



B, 



H, 



BG 



Totals. 



B, 



H r 



BG 



Totals. 



B, 







96 



96 



7300 







7-95 



103-10 



7840 



11-2 





not me 



asured 



1-5 



2 05 



98-05 



7455 



- 3-1 



2-55 



105-65 



8030 



7-8 



1-45 



1-45 



110 



3-4 



1-50 



99-55 



7570 



-12-0 



-10-75 



94-90 



7220 



2-9 



3-75 



5-20 



395 



7-0 



- 1-95 



97-60 



7420 







8-30 



103-20 



7850 







395 



9-15 



695 



8-8 



- 1-85 



95-75 



7270 



3-1 



2-45 



105-65 



8030 



- 1-5 



2-50 



11-65 



900 



11-0 



- 2-20 



93-55 



7100 



12-0 



- 10-75 



94-90 



7220 



- 2-1 



•80 



12-45 



960 



12-0 



- -70 



92-85 



7050 







8-00 



102-90 



7820 



- 3-0 



- -70 



11-75 



905 







935 



102-20 



7760 



- 3-1 



2-25 



105-15 



8000 



- 6-3 



-5-10 



6-65 



505 



- 31 



2-90 



105-10 



7990 



-12-0 



-10-75 



94-40 



7170 



- 8-0 



-2-75 



3-90 



296 



-12-0 



-10-10 



95-00 



7220 







8-30 



102-70 



7800 



-11-2 



-4-10 



- -20 



-15 







8-45 



103-45 



7860 



3-1 



2-70 



105-40 



8020 



- 7-8 



1-30 



1-10 



84 



3-1 



2-50 



105-95 



8050 



12-0 



- 10-50 



94-90 



7220 



- 3-0 



3-75 



4 85 



370 



12-0 



-10-75 



95-20 



7230 







7-95 



102-85 



7810 







4-20 



9-05 



700 







8-05 



103-25 



7850 



- 3-1 



2-45 



105-30 



8010 



1-5 



2-70 



11-75 



905 



- 3-1 



2-30 



105-55 



8020 



- 12-0 



-10-60 



94-70 



7200 



2-1 



•80 



12-55 



965 



-12-0 



- 10-80 



94-75 



7200 







8-10 



102-80 



7810 



3-0 



- -65 



11-90 



915 







8-45 



103-20 



7850 



31 



2-65 



105-45 



8020 



6-3 



- 5-00 



6-90 



524 



31 



2-50 



105-70 



8030 



12-0 



-10-50 



94-95 



7220 



8-0 



- 2-70 



4-20 



320 



12-0 



- 10-55 



95-15 



7230 











11-2 



- 4-05 



•15 



12 



Table XII. — Supeiyoscd Magnetic Induction. — Cyclic. Shield B. (See Fig. xvi.) 



i 





H,= - 2*8 reduced from a 



maximum 



of aoout 44 C.G.S. H,. 



superposed. 





H c 



BG 



BG 



Average. 



Totals. 



B, 

 - 296 



H, 



BG 



BG 



Average. 



Totals. 



B 



• 

 i 







-5-4 



+ 2-4 



-3-9 



- 3-9 



3 



-1-2 



+ 1-2 



-1-25 



-15-15 



j 

 - 1150 



1-6 







- 3-2 



- 71 



- 540 



12 



+ 2-8 



-2-9 



+ 2-85 



- 12-30 



- 935 



3-3 







-3-0 



-10-1 



- 767 







-1-6 



+ 1-6 



-1-60 



-13-90 



- 1055 



6-8 







-0-8 



-109 



- 828 



3 



- 1-7 



+ 1-8 



-1-75 



-15-65 



- 1190 



12-0 







-0-1 



-11-0 



- 835 



12 



+ 2-9 



-3-0 



+ 2-95 



-12-70 



- 965 ; 







-1-8 



+ 1-9 



-1-85 



-12-85 



- 976 







-1-2 



+ 1-6 



-1-40 



-14-10 



- 1070 



3 



-1-5 



+ 1-4 



-1-45 



-14-30 



- 1090 



3 



-1-0 



+ 1-3 



-1-15 



- 15-25 



- 1160 



12 



+ 2-1 



-2-2 



+ 2-15 



-1215 



- 923 



12 



+ 2-9 



-2-9 



+ 2-90 



-12-35 



- 940 







-1-4 



+ 1-7 



-1-55 



-13-70 



- 1040 







-1-3 



+ 1-6 



-1-45 



- 13-80 



- 1050 



3 



- 19 



+ 1-8 



-1-85 



-15-55 



- 1180 



3 



-1-7 



+ 1-9 



-1-80 



- 15-60 



- 1185 



12 



+ 30 



-3 



+ 3-00 



-12-55 



- 953 



12 



+ 2-8 



-31 



+ 2-95 



-12-65 



- 960 







-1-2 



+ 1-5 



-1-35 



-13-90 



- 055 













1 



