The Technical World Magazine, Volume 7Technical World Company, 1907 |
From inside the book
Page 42
... means of which sparks are given off . Being some- 200 and more miles , as in wire- less telegraphy , can be traversed . The above apparatus will , however , not be fully reliable un- less there be some means of ascertaining whether the ...
... means of which sparks are given off . Being some- 200 and more miles , as in wire- less telegraphy , can be traversed . The above apparatus will , however , not be fully reliable un- less there be some means of ascertaining whether the ...
Page 43
... means of its thickened sector , press against its contact rod during a given number of seconds , completing during this interval of time a first circuit which includes an electric cell , a radio - conductor and a If , striking electro ...
... means of its thickened sector , press against its contact rod during a given number of seconds , completing during this interval of time a first circuit which includes an electric cell , a radio - conductor and a If , striking electro ...
Page 44
... means of an automatic wireless telegram starting from the receiving station and which is recorded automatically on a Morse re- ceiver , the tape of which unwinds under the eyes of the operator at the starting station . The signals thus ...
... means of an automatic wireless telegram starting from the receiving station and which is recorded automatically on a Morse re- ceiver , the tape of which unwinds under the eyes of the operator at the starting station . The signals thus ...
Page 45
... means of check- ing signals arranged on the distributing axle . The latter carries for this effect outside of the interrupting discs above mentioned , other discs serving the purpose of checking and each of these is provided with a ...
... means of check- ing signals arranged on the distributing axle . The latter carries for this effect outside of the interrupting discs above mentioned , other discs serving the purpose of checking and each of these is provided with a ...
Page 51
... means as may offer to shield themselves , and it will be found that the American Museum will be visited by men of many COURTESY AMER . INST . OF SOC . SERVICE HEAD AND BODY COVERINGS TO PROTECT THE WEARER FROM GREAT HEAT . occupations ...
... means as may offer to shield themselves , and it will be found that the American Museum will be visited by men of many COURTESY AMER . INST . OF SOC . SERVICE HEAD AND BODY COVERINGS TO PROTECT THE WEARER FROM GREAT HEAT . occupations ...
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