Congressional Serial SetU.S. Government Printing Office, 1937 Reports, Documents, and Journals of the U.S. Senate and House of Representatives. |
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第 1 到 5 筆結果,共 49 筆
第 3 頁
... of several of our largest industries , based upon inven- tions then relatively new . 3 For instance , there were not many telephones in use -National Policy and Technology National Policy and Technology By William F Ogburn.
... of several of our largest industries , based upon inven- tions then relatively new . 3 For instance , there were not many telephones in use -National Policy and Technology National Policy and Technology By William F Ogburn.
第 4 頁
For instance , there were not many telephones in use in 1900 , around a million in number . Yet the telephone industry was destined to grow into the third largest public utility in the United States , with an investment of nearly ...
For instance , there were not many telephones in use in 1900 , around a million in number . Yet the telephone industry was destined to grow into the third largest public utility in the United States , with an investment of nearly ...
第 5 頁
... telephone , the automobile , the airplane , the motion picture , rayon , and the radio represent great accumulations of capital and give employment to millions , besides hav- ing had social influences so vast in number and extent as to ...
... telephone , the automobile , the airplane , the motion picture , rayon , and the radio represent great accumulations of capital and give employment to millions , besides hav- ing had social influences so vast in number and extent as to ...
第 6 頁
... telephone , automobile , radio , rayon , motion picture , and airplane . Similarly , it may be argued that though there may be in the next 30 years more than 1,300,000 patents , there is no as- surance that out of so large a number of ...
... telephone , automobile , radio , rayon , motion picture , and airplane . Similarly , it may be argued that though there may be in the next 30 years more than 1,300,000 patents , there is no as- surance that out of so large a number of ...
第 10 頁
... telephone , which was quite an intrusion . Lately there is the radio . There are now further pos- sibilities , an instrument that will record a message de- livered by telephone whether the ring is answered orally or not . The teletype ...
... telephone , which was quite an intrusion . Lately there is the radio . There are now further pos- sibilities , an instrument that will record a message de- livered by telephone whether the ring is answered orally or not . The teletype ...
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agriculture airplane alternating current aluminum areas automobile average broadcast Bureau cellulose chemical cities coal commercial communication construction cost cotton direct current displaced duction economic effects efficiency electric employed 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 plants possible prediction present printing problem production progress radio railroad recent result scientific social soil speed stations steam steel supply technical techniques telephone television telharmonium tion traffic transmission transportation trend unem United utilization vacuum tube wired television workers York zinc
熱門章節
第 48 頁 - 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"!
第 41 頁 - ... 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.
第 46 頁 - 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...
第 186 頁 - 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.
第 117 頁 - ... pencil ; so that the observer, by the traces of the pencil on the paper, might certainly conclude, what winds had blown in his absence for twelve hours
第 46 頁 - 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.
第 46 頁 - 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.
第 42 頁 - 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.
第 50 頁 - System has at all times suppressed competition in wire telephony or telegraphy through patents. It has always withheld licenses to competitors in wire telephony and telegraphy under its telephone and telephonic appliance patents, and this exclusion is extended to patents covering any type of construction. Moreover the Bell System has added to its ... patents any patent that might be of value to its competitors. This policy resulted in the acquisition of a large number of patents covering alternative...
第 47 頁 - 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.