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Arrangements of directive circuits from Tesla's U. S. Patent No. 613,809

Arrangements of directive circuits from Tesla's U. S. Patent No. 613,809

Fig. 12. — Arrangements of Directive Circuits Described In Tesla's U. S. Patent No. 613,809 of November 8. 1898, on "Method of and Apparatus for Controlling Mechanism of Moving Vessels or Vehicles."