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 頁
... averages about 30 years . 9. While a serious obstacle to considering invention in planning is lack of precise knowledge , this is not irremediable nor the most difficult fact to overcome . Other equally serious obstacles are inertia of ...
... averages about 30 years . 9. While a serious obstacle to considering invention in planning is lack of precise knowledge , this is not irremediable nor the most difficult fact to overcome . Other equally serious obstacles are inertia of ...
第 12 頁
... average " in- dustrial power plants constituting nearly 10 percent . of industrial primemover capacity and found 62 per- cent of the equipment was over 10 years old while 25 percent was over 20 years . Some of the older equip- ment was ...
... average " in- dustrial power plants constituting nearly 10 percent . of industrial primemover capacity and found 62 per- cent of the equipment was over 10 years old while 25 percent was over 20 years . Some of the older equip- ment was ...
第 15 頁
... average of success can be found by considering all the predictions within a given cate- gory , perhaps all those in a single book , or in articles by certain writers . A great number of books and articles can be found whose forecasts ...
... average of success can be found by considering all the predictions within a given cate- gory , perhaps all those in a single book , or in articles by certain writers . A great number of books and articles can be found whose forecasts ...
第 19 頁
... average 21 intervals were : Between when the invention was first merely thought of , and the first working model or patent , 176 years ; thence to the first practical use , 24 years ; to commercial success 14 years ; to important use 12 ...
... average 21 intervals were : Between when the invention was first merely thought of , and the first working model or patent , 176 years ; thence to the first practical use , 24 years ; to commercial success 14 years ; to important use 12 ...
第 31 頁
... average elementary school teacher , instead of talking herself about the lesson or depending on the textbook , should step to the rear of the classroom and switch on the televisor , or a talking moving picture program ? By it she could ...
... average elementary school teacher , instead of talking herself about the lesson or depending on the textbook , should step to the rear of the classroom and switch on the televisor , or a talking moving picture program ? By it she could ...
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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.