The Technical World Magazine, Volume 7Technical World Company, 1907 |
From inside the book
Results 6-10 of 100
Page 41
... electric vibrations and must re- FIG . 2. SENDING OPERATOR . sort to artificial means , such as the co- herer tube or radio - conductor above de- scribed . This plays the same rôle , then , in regard to electric vibrations , as does the ...
... electric vibrations and must re- FIG . 2. SENDING OPERATOR . sort to artificial means , such as the co- herer tube or radio - conductor above de- scribed . This plays the same rôle , then , in regard to electric vibrations , as does the ...
Page 42
... electric sparks many spectacular ef- fects . If a number of electric circuits , each controlling a given mechanical effect , are installed beforehand at the receiving sta- tion , each circuit having a special coherer , a single spark ...
... electric sparks many spectacular ef- fects . If a number of electric circuits , each controlling a given mechanical effect , are installed beforehand at the receiving sta- tion , each circuit having a special coherer , a single spark ...
Page 43
... ELECTRIC FAN MOTOR AND INCANDESCENT LAMPS OPERATED. times as far distant from the receiving station as 200 miles , he is obviously not able to see the latter , but , controlling at will the phenomena to be produced at the receiving ...
... ELECTRIC FAN MOTOR AND INCANDESCENT LAMPS OPERATED. times as far distant from the receiving station as 200 miles , he is obviously not able to see the latter , but , controlling at will the phenomena to be produced at the receiving ...
Page 44
FIG . 7. ELECTRIC FAN MOTOR AND INCANDESCENT LAMPS OPERATED BY WIRELESS ACTION . FIG . 6. WIRELESS TELEGRAM , AUTOMATICALLY RE-. 000 incandescent lamps , energizing of an electro - magnet able to lift an iron ball and to release it as ...
FIG . 7. ELECTRIC FAN MOTOR AND INCANDESCENT LAMPS OPERATED BY WIRELESS ACTION . FIG . 6. WIRELESS TELEGRAM , AUTOMATICALLY RE-. 000 incandescent lamps , energizing of an electro - magnet able to lift an iron ball and to release it as ...
Page 55
... electric py- rometer indicated a temperature of 1,700 ° F. This temperature , with small fluctu- ations above and below , was maintained for four hours . Then the firedoors were opened and a stream of water , having a pressure of ninety ...
... electric py- rometer indicated a temperature of 1,700 ° F. This temperature , with small fluctu- ations above and below , was maintained for four hours . Then the firedoors were opened and a stream of water , having a pressure of ninety ...
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