a 3000 W gasoline engine drives a cranck shaft for a 3 m diameter copper wheel whose 4 spokes curve as the harmonic spiral which rests in parallel between two permanent magnets. brushes on the outside of the wheel and hub form complete a unipolar dynamo which drives the circuit desribed in Tesla patent 462418

Will Loads G be supplied power?

https://patents.google.com/patent/US462418A/en
https://teslauniverse.com/nikola-tesla/articles/notes-unipolar-dynamo
https://waveguide.blog/brief-history-tesla-hairpin-circuit-stout-copper-bars/