The Technical World Magazine, Volume 23Technical World Company, 1915 |
From inside the book
Results 1-5 of 58
Page 14
... station would be far smaller than that of the average wireless tele- graph station . The current needed is about the same , but that is one of the smaller items of expense . I should think it would soon be as cheap to talk to a person ...
... station would be far smaller than that of the average wireless tele- graph station . The current needed is about the same , but that is one of the smaller items of expense . I should think it would soon be as cheap to talk to a person ...
Page 17
... stations at present is thirty thou- sand , making each sound wave six miles long - thirty thousand of them passing a given point in a second . The wireless telephone in combination with the mer- cury tube probably will use about the ...
... stations at present is thirty thou- sand , making each sound wave six miles long - thirty thousand of them passing a given point in a second . The wireless telephone in combination with the mer- cury tube probably will use about the ...
Page 46
... station . and it cost fifteen hundred dollars , but Lazear says he has the satisfaction of knowing that his records will show that under normal conditions his loca- tion is an ideal one for fruit growing . Frosts come early in the ...
... station . and it cost fifteen hundred dollars , but Lazear says he has the satisfaction of knowing that his records will show that under normal conditions his loca- tion is an ideal one for fruit growing . Frosts come early in the ...
Page 49
... station on the Trans - Si- berian Railway , for ship- ment to the front . native owners , who have no use for money and cannot read or write , are given pay in articles which they crave and need . This barter includes brick tea ...
... station on the Trans - Si- berian Railway , for ship- ment to the front . native owners , who have no use for money and cannot read or write , are given pay in articles which they crave and need . This barter includes brick tea ...
Page 81
... station will elicit a prompt reply , telling him how , and giving the proper proportions . CRUSHING NITRATE Before the material is boiled it is broken by heavy machines . Some lands need lime ; others demand phosphoric acid or potash ...
... station will elicit a prompt reply , telling him how , and giving the proper proportions . CRUSHING NITRATE Before the material is boiled it is broken by heavy machines . Some lands need lime ; others demand phosphoric acid or potash ...
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816 | |
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