Technological Trends and National Policy: Including the Social Implications of New Inventions. June, 1937U.S. Government Printing Office, 1937 - 388 sider |
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Side 25
... fertilizers , copper , and the whole strong - current electric industry . A socially important influence of the increased use of electricity , especially as power plants tend to be concentrated into great generating stations often out ...
... fertilizers , copper , and the whole strong - current electric industry . A socially important influence of the increased use of electricity , especially as power plants tend to be concentrated into great generating stations often out ...
Side 104
... fertilizers , feeds , twine , gasoline , and oil . This trend is certain to continue . There has been another relatively new development— cooperative farm - management associations . In these , farmers jointly employ one or more experts ...
... fertilizers , feeds , twine , gasoline , and oil . This trend is certain to continue . There has been another relatively new development— cooperative farm - management associations . In these , farmers jointly employ one or more experts ...
Side 120
... fertilizer science . Recent trends of interest in fertilizer practice extend beyond the plants to the health of the animals and people who eat them as affected by their composition . Especially is this being considered in the dairy ...
... fertilizer science . Recent trends of interest in fertilizer practice extend beyond the plants to the health of the animals and people who eat them as affected by their composition . Especially is this being considered in the dairy ...
Side 121
... fertilizers will be stressed , as will also the economic advantages of higher concentra- tions of mixed fertilizer . The role of minor elements in nutrition will become important as more nearly pure chemical fertilizers are placed on ...
... fertilizers will be stressed , as will also the economic advantages of higher concentra- tions of mixed fertilizer . The role of minor elements in nutrition will become important as more nearly pure chemical fertilizers are placed on ...
Side 122
... fertilizer , inherent productivity , adaptations for crop plants , and other features . One of the technological trends of the future ap- pears to be the more exact mapping and study of these land units , or soil types . Research will ...
... fertilizer , inherent productivity , adaptations for crop plants , and other features . One of the technological trends of the future ap- pears to be the more exact mapping and study of these land units , or soil types . Research will ...
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Almindelige termer og sætninger
agriculture airplane aluminum areas automobile average broadcast Bureau cellulose changes chemical cities coal commercial communication construction cost cotton direct current displaced duction economic effects efficiency electric employment engine equipment factors farm Federal Power Commission fertilizer field freight fuel future gasoline highway horsepower important improvements increased industry influence internal-combustion engine inventions iron kilowatt-hours kilowatts labor less light lines machine machinery man-years manufacturing materials mechanical ment metal metallurgy methods million mineral mining motor nomic operation output passenger Patent pools patents percent petroleum photoelectric cell plants possible prediction present printing problem production progress radio railroad recent reduced result scientific social soil speed stations steam steel supply technical techniques technological telephone television telharmonium tion traffic transmission transportation trend unem United utilization vacuum tube wired television workers York zinc
Populære passager
Side 48 - I thank God, there are no free schools nor printing, and I hope we shall not have these hundred years. For learning has brought disobedience and heresy, and sects into the world, and printing has divulged them, and libels against the best government. God keep us from both"!
Side 46 - As I had occasion to pass daily to and from the buildingyard, while my boat was in progress, I have often loitered unknown near the idle groups of strangers, gathering in little circles, and heard various inquiries as to the object of this new vehicle. The language was uniformly that of scorn, or sneer, or ridicule.
Side 46 - The language was uniformly that of scorn, or sneer, or ridicule. The loud laugh often rose at my expense ; the dry jest ; the wise calculation of losses and expenditures ; the dull but endless repetition of the Fulton Folly.
Side 41 - ... and strong. The means of stopping these heavy carriages without a great shock, and of preventing them from running upon each other (for there would be many on the road at once) would be very difficult.
Side 46 - Yesterday week my iron boat was launched. It answers all my expectations, and has convinced the unbelievers who were 999 in a thousand. It will be only a nine days...
Side 186 - L = the distance between the first and last axles of a vehicle or combination of vehicles, in feet. "A value of 700 is recommended for 'c' as the lowest which should be imposed, but this should not be construed as inhibiting greater values.
Side 42 - Twenty miles an hour, sir — why you will not be able to keep an apprentice boy at his work! Every Saturday evening he must have a trip to Ohio to spend a Sunday with his sweetheart. Grave plodding citizens will be flying about like comets.
Side 47 - The demonstration that no possible combination of known substances, known forms of machinery, and known forms of force can be united in a practicable machine by which men shall fly long distances through the air, seems to the writer as complete as it is possible for the demonstration of any physical fact to be.
Side 3 - Not all parts of our organization are changing at the same speed, or at the same time. Some are rapidly moving forward and others are lagging. These unequal rates of change in economic life, in government, in education, in science and religion make zones of danger and points of tension...
Side 298 - I would as lief see a patent churn and a man turning it. They are, commonly, places merely where somebody is making money, it may be counterfeiting. The virtue of making two blades of grass grow where only one grew before does not begin to be superhuman.