306 



Mr. R. H. M. Bosanquet on Electromagnets. 

 Plain Bars without Magnetizing-Force term. 



calc. =-00528+ - 1=1 centim., 



^ = •395 (18593-33) cos d, 



k 60 

 P 



log- =2-34070, 



P 

 log/= -16896. 



8=fl, 



sin 9 



m. 



[i. 



Diffs 



P- 



Diffs 



Calc. 



Obs. 





Calc. 

 •01060 



Obs. 





0,000 



188 



188 







•01061 



-•00001 



1,000 



845 



806 



+ 39 



•00646 



•00652 



-•00006 



2,000 



1366 



1562 



-196 



•00601 



•00592 



+ •00009 



3,000 



1766 



1852 



- 86 



•00585 



•00582 



+ •00003 



4,000 



2052 



2083 



- 31 



•00577 



•00576 



+ •00001 



5,000 



2239 



2222 



+ 17 



•00573 



•00573 



•00000 



6,000 



2343 



2326 



+ 17 



•00571 



•00571 



•00000 



7,000 



2376 



2381 



- 5 



•00570 



•00570 



•ooooo 



8,000 



2346 



2326 



+ 20 



•00571 



•00571 



•ooooo 



9,000 



2264 



2273 



- 9 



•00572 



•00572 



•ooooo 



10,000 



2139 



2041 



+ 98 



•00575 



•00577 



-•00002 



11,000 



1979 



1923 



+ 56 



•00579 



•00580 



-•00001 



12,000 



1785 



1695 



4- 90 



-00584 



•00587 



-•00003 



13,000 



1566 



1370 



+ 196 



•0©592 



•00601 



-•00009 



14,000 



1324 



1075 



4-249 



•00604 



•00621 



-•00017 



15,000 



1062 



752 



+310 



•00622 



•00661 



-•00039 



16,000 



784 



495 



+289 



•00656 



•00730 



-•00074 



17,000 



491 



296 



+ 195 



•00732 



•00866 



- 00134 



18,000 



186 



186 







•01065 



•01064 



+ 00001 



Plain Bars with Magnetizing-Force term, 

 p calc. = -00528+ -, 1= 1 centim., log - =254 133, 

 <n% *:„ nAn ™\ * log£ = -17126, 



■65 



+16,640 



d=fe, ft 



-ft\ 



cosd, 

 60 M 



log n = 1-26665. 



sin 9 



B. 



fi. 



Diffs 



P- 



Diffs. 



Calc. 



Obs. 





Calc. 



Obs. 





0,000 



189 



188 



+ 1 



•01057 



•01061 



-•00004 



1,000 



813 



806 



+ 7 



•00651 



•00652 



-■0000 1 



2,000 



1326 



1562 



-236 



•00603 



•00592 



+ 00011 



3,000 



1731 



1852 



-121 



•00586 



•00582 



+ -C0004 



4,000 



2028 



2083 



- 55 



•00577 



•00576 



+ •00001 



5,000 



2235 



2222 



+ 13 



•00573 



•00573 



•ooooo 



6,000 



2355 



2326 



+ 29 



•00570 



•0057 1 



-•00001 



7,000 



2394 



0381 



+ 13 



•00570 



00570 



•ooooo 



8,000 



2391 



2326 



+ 65 



00570 



•00571 



-•00001 



9,000 



2271 



2273 



- 2 



•00572 



•00572 



•ooooo 



10,000 



2123 



2041 



+ 82 



•00575 



•00577 



- -00002 



11,000 



1924 



1923 



+ 1 



•00580 



•00580 



•ooooo 



12,000 



1683 



1695 



- 12 



•005S7 



•00587 



•ooooo 



13,000 



1409 



1370 



+ 39 



•00599 



•00601 



- -00002 



14,000 



1108 



1075 



+ 33 



■00618 



•00621 



- -00003 



15,000 



801 



752 



+ 49 



00653 



•00661 



- 00008 



16,000 



509 



495 



+ 14 



•00724 



•00730 



-•00006 



17,000 



297 



296 



4- 1 



•00864 



•00866 



- -00002 



18,000 



186 



186 







01065 



•01064 



+ 00001 



