The Technical World Magazine, Volume 23Technical World Company, 1915 |
From inside the book
Results 1-5 of 65
Page 16
... direct current for the motors . THE TUBE FOR WIRELESS WONDERS At the left of center , in the fore- ground , may be seen the Hewitt vacuum tube . To the right ( partly obscured by the heavy wire in the foreground ) is the telephone re ...
... direct current for the motors . THE TUBE FOR WIRELESS WONDERS At the left of center , in the fore- ground , may be seen the Hewitt vacuum tube . To the right ( partly obscured by the heavy wire in the foreground ) is the telephone re ...
Page 17
... direct to alternating current . Our telephones are operated with direct current , and for that reason no sounds interfere with the conversation . If alternating current were used it would have to vibrate so rapidly that it could not be ...
... direct to alternating current . Our telephones are operated with direct current , and for that reason no sounds interfere with the conversation . If alternating current were used it would have to vibrate so rapidly that it could not be ...
Page 24
... direct or indirect use of oil or coal is employed in the world today . " Of course , no such transmission system as that which I mention will ever be practicable , nor yet desirable ; but I merely wished to point ONE OF THE SEVEN GREAT ...
... direct or indirect use of oil or coal is employed in the world today . " Of course , no such transmission system as that which I mention will ever be practicable , nor yet desirable ; but I merely wished to point ONE OF THE SEVEN GREAT ...
Page 29
... , " brother to the ox " , he takes direct issue with Edwin Markham's senti- mental description of his origin . Says the scientist , in " The Human Harvest " , his anti - war book : " He [ the Man with the Hoe ] is 29.
... , " brother to the ox " , he takes direct issue with Edwin Markham's senti- mental description of his origin . Says the scientist , in " The Human Harvest " , his anti - war book : " He [ the Man with the Hoe ] is 29.
Page 56
... direct water connection with New York for the un- broken shipment of barges containing the equivalent of seventy - five freight cars . Located at the very gateway to the rich wheat country of the Northwest , Duluth and Superior have ...
... direct water connection with New York for the un- broken shipment of barges containing the equivalent of seventy - five freight cars . Located at the very gateway to the rich wheat country of the Northwest , Duluth and Superior have ...
Contents
367 | |
368 | |
412 | |
442 | |
449 | |
450 | |
451 | |
469 | |
148 | |
149 | |
157 | |
161 | |
167 | |
174 | |
187 | |
197 | |
288 | |
295 | |
305 | |
345 | |
351 | |
354 | |
361 | |
479 | |
480 | |
483 | |
490 | |
510 | |
511 | |
582 | |
585 | |
596 | |
686 | |
712 | |
738 | |
749 | |
816 | |
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Acetylene Alaska auto automobile Belgium Bldg boat building built carry catalog cattalo cent Chicago coal COPYRIGHT INTERNAT COPYRIGHT-UNDERWOOD & UNDERWOOD cost coupon course David Starr Jordan Dept device direct current dollars electric engine equipment experience farm feet fire five gasoline German give guns horsepower hundred inches invention La Guayra land light loganberry LYON & HEALY machine manufacture mechanism ment method miles month motor Motorcycle operation Patent Pearl Harbor plant pounds practical Prize profit radium railroad railway river road saving sell ship speed station steam steel Street supply Technical World Magazine thousand tion tires train tube U. S. Patent Office UNDERWOOD & UNDERWOOD United vacuum tube Washington wheel wire wireless Write York