Nikola Tesla U.S. Patent 511,916 - Electric Generator Patent Wrapper Page 24

JIILI od of reciprocation, of an electric generator, the moving conductor or element of which is connected with the engine, the generator and its circuit being so related to the engine as not to disturb its period as set forth. 5. The combination with a cylinder and a pist on reciprocated by steam or a gas under pressure of a spring ma in ta in ed in vibration by the movement of the piston, and an electric generator, the movable conductor or element of which is connected with the piston, these elements being constructed and adapted in the manner set forth for producing a current of constant per iod. 6. The method of producing electric currents of constant per iod here in described which consists in impart ing the oscillations of an engine to the moving element of an electric generator and regulat ing the period of mechanica oscillation by an adjustment of the reaction of the electric generator, as herein set forth. Nikola Tesle Wilnas. Parker W. PageR.F. Taylor -1531