Nikola Tesla U.S. Patent 685,956 - Apparatus for Utilizing Effects Transmitted through Natural Media Patent Wrapper Page 29

) ) ed to be charged from an independent source, a sensitive device adapted to have its resistance varied under the influence of the effects or disturbances, a receiver and resistances, all connected in the manner of a Wheatstone bridge, substantially as described. undef 12. In an apparatus for utilizing effects or dis14 turbances transmitted through the natural media from a distant source, the combination of a storage device adapted to be charged from an independent source, a sensitive device adapted to have its resistance varied under the influence of the effects or disturbances, a transformer having a receiver in its secondary circuit and resistances all connected in the manner of a Wheatstone bridge, substantially as described. Sub аз Witnesses: Elten vong -23Nikole Tesle This page retyped from microfilm for better readability - Ed.] 483