Transactions of The Academy of Science of St. Louis. 



VOL. VII. No. 12. 



GEOMETRICAL PROPERTIES OF THE LINES OF 

 FORCE PROCEEDING FROM 

 (a) A SYSTEM CONSISTING OF AN ELECTRI- 

 FIED PLANE AND AN ELECTRIFIED 

 LINE PARALLEL TO THE PLANE. 

 . (6) A SYSTEM CONSISTING OF AN ELECTRI- 

 FIED PLANE AND AN ELECTRIFIED 

 POINT. 



WM. H. ROEVER. 



iMued January 19, 1897. 



