Show MAGNETiSM 1 OF THE EARTH Important Discovery Hade by Dr Henry A Rowland Baltimore Md Jan BDr Henry A Rowland professor of physics at the Johns Hopkins university has made a I i discovers ° C great importance to the scientific world I is In the nature of of the on explanation of tho cause o magnetism of the earth I was nearly 0 year ago that Dr Rowland commenced his experiments He was attracted to the subject ho says by the Jack of explanation pr theor for tho earths magnetism The experiments have been continued by I Dr Rowland and his assistants and their efforts have recently been productive pro-ductive of satisfactory results which will soon be reported fully for the benefit ben-efit of science scence The apparatus used by Dr Rowland Is I a simple metal wheel revolved on n shaft by means of an electric motor Tho wheel Is wound with several miles this magnetism te of fine wire and In magnelsm developed when the wheel is revolved About the wheel 13 a casing or sheath of brass at a distance of about an Inch from Its circumference but leaving an air or ether space between which maybe may-be said to represent layers of atmosphere atmos-phere about the earth With this simple apparatus Dr Rowland Row-land Is working to show that the faster the revolution of the wheel the more magnetism will be developed He has shown already that magnetism is I produced pro-duced In this revolving body and although al-though upon such a small scale in the laboratory experiments Dr Rowland says he Is convinced that the principle holds good for the earth and other heavenly bodies as they revolve through space Of course the Immense weight and great speed of these bodies add to the amount of magnetism which they produce Dr Rowland however Is s highly pleased with the result so far attained that he will continue the work for sometime some-time to come |