The Technical World Magazine, Volume 23Technical World Company, 1915 |
From inside the book
Results 1-5 of 34
Page 13
... Teutonic pioneer endeavor . One thing always characterized the German products ; they were heavy WIRELESS WONDERS FROM VACUUM TUBE By CHARLES W. PERSON. motorcycle or his runabout , could go ( Continued on page 102 ) THE WAR HAWKS 13.
... Teutonic pioneer endeavor . One thing always characterized the German products ; they were heavy WIRELESS WONDERS FROM VACUUM TUBE By CHARLES W. PERSON. motorcycle or his runabout , could go ( Continued on page 102 ) THE WAR HAWKS 13.
Page 14
... tube is going to do the trick . " And no one is brave enough to stand up now and tell him the little vacuum tube can't do it ! This tube is only a foot long and a few inches in diameter , yet Mr. Hewitt promises a few wonders with it ...
... tube is going to do the trick . " And no one is brave enough to stand up now and tell him the little vacuum tube can't do it ! This tube is only a foot long and a few inches in diameter , yet Mr. Hewitt promises a few wonders with it ...
Page 15
... 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 , He discovered , furthermore , that if the tube were con- nected with 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 , He discovered , furthermore , that if the tube were con- nected with the ...
Page 16
... TUBE FOR WIRELESS WONDERS At the left of center , in the fore- ground , may be seen the Hewitt vacuum tube . To the right ( partly obscured by the heavy wire in the foreground ) is the telephone re- ceiving headpiece . Wires to the top ...
... TUBE FOR WIRELESS WONDERS At the left of center , in the fore- ground , may be seen the Hewitt vacuum tube . To the right ( partly obscured by the heavy wire in the foreground ) is the telephone re- ceiving headpiece . Wires to the top ...
Page 17
... 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 the mercury vapor tube , but the receiving changes direct to ...
... 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 the mercury vapor tube , but the receiving changes direct to ...
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