The Technical World Magazine, Volume 23 |
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Page 16
Here , it is said to be capable of taking one thousand horsepower of alternating current and converting it into direct current for the motors . THE TUBE FOR WIRELESS WONDERS At the left of center , in the fore- ground , may be seen the ...
Here , it is said to be capable of taking one thousand horsepower of alternating current and converting it into direct current for the motors . THE TUBE FOR WIRELESS WONDERS At the left of center , in the fore- ground , may be seen the ...
Page 17
The tube can alter the frequency from zero to one hundred thousand waves per second . The wave frequency of the largest wireless tele- graph stations at present is thirty thou- sand , making each sound wave six miles long - thirty ...
The tube can alter the frequency from zero to one hundred thousand waves per second . The wave frequency of the largest wireless tele- graph stations at present is thirty thou- sand , making each sound wave six miles long - thirty ...
Page 18
... shifting its coils some two or three thousand feet each year . The struggle , the action and the re- action of the ocean and the river are titanic , because the old Pacific , at this point , is a drastic war lord .
... shifting its coils some two or three thousand feet each year . The struggle , the action and the re- action of the ocean and the river are titanic , because the old Pacific , at this point , is a drastic war lord .
Page 21
Rather , this date marks the first raising of a war budget toward the preparation of war plans - the appro- priation of five thousand dollars by Congress to finance surveys . Of course the mouth of the Columbia had been previously ...
Rather , this date marks the first raising of a war budget toward the preparation of war plans - the appro- priation of five thousand dollars by Congress to finance surveys . Of course the mouth of the Columbia had been previously ...
Page 29
As has been previously explained , twelve names , representing men who are considered the greatest American scientists , were selected by a thousand of their colleagues . This vote was taken at the special request of the Editors of ...
As has been previously explained , twelve names , representing men who are considered the greatest American scientists , were selected by a thousand of their colleagues . This vote was taken at the special request of the Editors of ...
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Contents
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