Show I i 0 a aT COIr COIL IX IS TUB WOULD WORLD The largest Induction coil coll which produce pro duce the longest spark for tor service In wireless telegraphy telegraph Is said ul to be theone the theone theone one shown In the accompanying Illus Illustration tuition and which h was recently made for tor lathing flashing messages mus between the coast cout of ot Japan and Korea It can produce In fact n a miniature streak of ot lightning Inches In length I capable of ot killing any number num er of oC persons who might get gel In Its way and when In la op operation operation sends out tremendous thunder rolls Tho The entire apparatus weighs about 2000 pounds A large largo amount or orI I feet teet of copper wire was used In Its construction and with a proper receiving apparatus messages I GL should be bo sent across a n space apace of COO 00 miles This Immense coil coll requires about ab ut one horsepower of ot electrical en energy energy ergy orgy for tor the perfect transmission of wireless waves which are ate picked up bythe by bythe b the electric eye eo of ot the receiver |