The Technical World Magazine, Volume 23Technical World Company, 1915 |
From inside the book
Results 1-5 of 87
Page 14
... pass into the small receptacle . The top wire is con- nected with the wireless antennæ , or sound collecting wires . On the side of the tube , near the bottom , a little glass bulb protrudes , and through this the " positive electrode ...
... pass into the small receptacle . The top wire is con- nected with the wireless antennæ , or sound collecting wires . On the side of the tube , near the bottom , a little glass bulb protrudes , and through this the " positive electrode ...
Page 15
... pass an electric current through the tube , a vapor is formed by the mercury which not only conducts electric current but produces a number of the most ex- traordinary phenomena . He discovered , furthermore , that if the tube were con ...
... pass an electric current through the tube , a vapor is formed by the mercury which not only conducts electric current but produces a number of the most ex- traordinary phenomena . He discovered , furthermore , that if the tube were con ...
Page 17
... passing through the vapor . A fierce , jerky current enters the little tube . A smoothly flowing current comes out . There's the secret of it . " The sending apparatus is based on the same principle as the receiving , both depending on ...
... passing through the vapor . A fierce , jerky current enters the little tube . A smoothly flowing current comes out . There's the secret of it . " The sending apparatus is based on the same principle as the receiving , both depending on ...
Page 19
... PASS CLOSE TO. life - saving crews , hundreds of persons watching the battle from the promon- tory in the background . Out on the lightship that guides the way to the mouth of the Columbia during storms the vessel is forced to keep up ...
... PASS CLOSE TO. life - saving crews , hundreds of persons watching the battle from the promon- tory in the background . Out on the lightship that guides the way to the mouth of the Columbia during storms the vessel is forced to keep up ...
Page 20
... PASS CLOSE TO CAPE DISAPPOINTMENT The depth of the channel has varied as first the river and then the engineers gained the advantage in the endless battle . TEARING AT THE WORKS OF MAN. DIGGING AT THE BAR CLATSOP But it was no joke for ...
... PASS CLOSE TO CAPE DISAPPOINTMENT The depth of the channel has varied as first the river and then the engineers gained the advantage in the endless battle . TEARING AT THE WORKS OF MAN. DIGGING AT THE BAR CLATSOP But it was no joke for ...
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