Deseret Evening News | 1905-08-26 | Page 22 | Scientific Miscellany

i I SCIENTIFIC FI eM MISCELLANY I SC ELC N NIt It II To explain II plain terrestrial magnetism t three hypotheses have been offered via 11 IIi 1 I Th The crust ot or th the earth probably 5 1 1 I I oon after atler ha become a auL uL magnet through the Ibe circulation t lI f t lation of ot electric currents current lIl the latter r ri i tl l possibly generated by heat 2 i The I earth acting like a dy dyt dynamo t I I IF namo has hai b by it Its Ita rotation gradually no ih fi 1 i d a magnetic Held 1 a The sun sunt un t t t I I li Is a I great electric generator for tor the i whole solar olar system Item and each erh of or the lbs I 1 I planets planet Is III a a distributing station for the i Hi 1 I 4 r nr produced t u uI I E j The na new oscillation of or J JI Jt I I 1 t I I 1 fJ A Fleming li F R R 8 II makes make ordinary electric oscillation measurable on II a by separating out OUI the two oPI opposite currents current It consists of or ofa a 1 bulb enclosing n R carbon filament M ma MIn main In an alt Incandescent lamp the filament being surrounded by a metal cylinder and the bulb highly exhausted Nega sega Negative U tive electricity pa passee f sen through the hl vacuum alu um urn from the tho hut hot filament to the cyl CI cylinder inder but bul not In the reverse direction With a ii dead deadbeat beat galvanometer the valve c can call tt take lak the III place of or the Ma a receiver In wireless telegraphy th the signals giving lon long lone and short hort ii de tIe deflections of ot the galvanometer lie breed breeders breeder ire are Invited ed lit to aid tho south Mouth 1 Kensington mu muse museum um unu In a series of ot skulls and