RO' 



Transactions of The Academy of Science of St. Louis. 



VOL.. VII. No. 9. 



GEOMETRICAL CONSTRUCTIONS OF THE LINES 

 OF FORCE PROCEEDING FROM 



(a) TWO PARALLEL ELECTRIFIED LINES, 



(b) TWO ELECTRIFIED POINTS. 



WM. H. ROEVER. 



Issued June 30, 1896. 



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S O T A iM i C 



