The Technical World Magazine, Volume 4Technical World Company, 1906 |
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Page 2
... tion to the sun ; and so the instant be- comes known when the moon's long , slender shadow will impinge upon some spot of earth and so cause a total eclipse of the sun . The most favorable condition is shown at the upper left. 2 THE ...
... tion to the sun ; and so the instant be- comes known when the moon's long , slender shadow will impinge upon some spot of earth and so cause a total eclipse of the sun . The most favorable condition is shown at the upper left. 2 THE ...
Page 43
... tion signal , inasmuch as if it were omit- ted , and the surface mark obliterated , re- covery of the point would mean much triangulation work for a party sent out to do work of another kind . We shall suppose that the signal has been ...
... tion signal , inasmuch as if it were omit- ted , and the surface mark obliterated , re- covery of the point would mean much triangulation work for a party sent out to do work of another kind . We shall suppose that the signal has been ...
Page 47
... tion of the true point , which he does , and orients all over again . The triangle of error this time will be smaller . A skill- ful worker can get the true point in two point is selected , the table set up , and all made ready for work ...
... tion of the true point , which he does , and orients all over again . The triangle of error this time will be smaller . A skill- ful worker can get the true point in two point is selected , the table set up , and all made ready for work ...
Page 54
... tion on land where the ship left , till her work is completed , there is constant elec- trical communication , through the cable on board , with the testing room on the ship , in order that no mishap may occur ; and every five minutes ...
... tion on land where the ship left , till her work is completed , there is constant elec- trical communication , through the cable on board , with the testing room on the ship , in order that no mishap may occur ; and every five minutes ...
Page 57
... tion with his first lecture , arranged to have the continental lines in touch , and GREETINGS FROM FANNING the current which causes the signal . The reading of a message by the sounder , which is practiced on land lines , is not ...
... tion with his first lecture , arranged to have the continental lines in touch , and GREETINGS FROM FANNING the current which causes the signal . The reading of a message by the sounder , which is practiced on land lines , is not ...
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