The Technical World, Volume 1American school of correspondence at Armour Institute of Technology, 1904 |
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Page 1
... ment upon these strange new rays , which Röntgen had provisionally named X - rays because their nature was still problem- atical . A surprisingly small amount of new knowledge concerning the mysteri- ous nature of the X - rays ...
... ment upon these strange new rays , which Röntgen had provisionally named X - rays because their nature was still problem- atical . A surprisingly small amount of new knowledge concerning the mysteri- ous nature of the X - rays ...
Page 6
... ment at the Soirée of the Royal Society in London . A small quantity of radium is placed about one millimeter above a zinc sulphide screen , and the latter is then viewed through a microscope of from ten to twenty diameters ' magnifica ...
... ment at the Soirée of the Royal Society in London . A small quantity of radium is placed about one millimeter above a zinc sulphide screen , and the latter is then viewed through a microscope of from ten to twenty diameters ' magnifica ...
Page 8
... ment helium is found in nature only in connection with radio - active minerals ( that is , in connection with the salts of uranium , thorium , and radium ) , Ruther- ford predicted that helium would one day be found to be one of the ...
... ment helium is found in nature only in connection with radio - active minerals ( that is , in connection with the salts of uranium , thorium , and radium ) , Ruther- ford predicted that helium would one day be found to be one of the ...
Page 18
... ment . This method is now adopted for all long - distance work . It is very simple in character , and admits of much greater MARCONI'S WIRELESS CAR CHARIOT . rapidity in the reception of messages than the use of the coherer . One thing ...
... ment . This method is now adopted for all long - distance work . It is very simple in character , and admits of much greater MARCONI'S WIRELESS CAR CHARIOT . rapidity in the reception of messages than the use of the coherer . One thing ...
Page 19
... ment of the principles involved . Marconi , though young , has already accomplished much . The bridging of the Atlantic by etheric signals , though Utopian but a short time ago , has been successfully accomplished ; and a new force ...
... ment of the principles involved . Marconi , though young , has already accomplished much . The bridging of the Atlantic by etheric signals , though Utopian but a short time ago , has been successfully accomplished ; and a new force ...
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Address The Technical advertising Alpha rays alternating current American School ammonia amperes apparatus Architecture armor Armour Institute battery battleship boiler building cars catalogue cent Chicago circuit coal coil Company condenser connected construction cost course cylinder direct current Drawing dynamo elec Electrical Engineering electromotive force equipment experience feet gear give graduate guns heat illustrated inches induction coil interest joint laboratory lamp light load locomotive Louis Exposition machine machinery magazine magnet manufacture Mechanical ment method motor operation patent pipe piston plant plates position pounds practical pressure pump radio-active radium rail railroad Railway School of Correspondence screw Send ship shown in Fig shows side speed steam engine steam turbine steel Street stroke tank Technical World telegraphy telephone third-rail tical tion to-day tons torpedo tubes valve volts wattmeter wheel wire York young