2 The system explained p2
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THE SYSTEM EXPLAINED. Mr Harold Masters, lecturer_in elec- tricity at the Launceston Technical school, thus describes the system :— “Wireless telegraphy, although re- garded a a new thing, is really the out- come of a long serics of scientific experi- ments and research, as in the case with all important scientific discoveries. For instance, the X-rays were known long before Rontgen’s important discoveries were made. Professor Rontgen was, in fact, investigating these rays with « Crodk’s tube eapecally made for their eration when he found that they had e peculiar property of penetrating dif- ferent, rubstances, nooo to igen a8 Of these aye, ool acl comction wih oe See ees pa proofs of Maxwell's theory. ™ “Heary, of America, sent sparks from an ‘machine through ‘8 parallelogram of Gory ag ok BOF of yored the ceiling of 0 roam, « carrest placed immediately below cellar of the building, through two floors and thirty feet distant. “There can be no doubt was on the right track towards Tha Merten avon The wire trom root to the well oaly wanted « Branly coherer to make station for in poorrbredi dischar, or currents threw off wares into oe which could (gene gg Agl ‘conductor with « smarter, hi in was ut poor datcter, yet Herta demonstrated the theory with it Completely. Later on the coheter was foes ethereal eaves hore immenualy oper, ‘AIT th elements of u wirelous ialograph were discovered but the wire. This founds. paredorical, for what do we went with wire in wireless tel iy? Well’ itnecds a The tiny veee tes here Mareoni comes it || tat Tong erin tached to ror acted aa, very sensi ve detectr. ane very the coherer with era ‘wires coul detect them 30, 60,100, and up to 3000 niles. “The way in which ery ates other bated are atic Tor igual can be beat understood rth to be charged electri csr charg hav. fs capable of i ‘ts. caured at any point of the earth's surface, electric. or other waves would travel, ‘but that point in much ripy astone in water, This 2 5 a a4 5 et up by means of what is ‘oncillator, one pole