Mechanics' Magazine, and Journal of the Mechanics' Institute, 第 1 卷D. K. Minor and J. E. Challis., 1833 |
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第 1 到 5 筆結果,共 53 筆
第 頁
... Rail , construction , 9 , 69 Torrey's Safety Apparatus for Steam- boats , account of , 153 Track Roads of Wood , Mr. Williams ' plan , 211 Trees , method of eradicating stumps of , by Bramah's Pump , 55 Tube Drawing , method of ...
... Rail , construction , 9 , 69 Torrey's Safety Apparatus for Steam- boats , account of , 153 Track Roads of Wood , Mr. Williams ' plan , 211 Trees , method of eradicating stumps of , by Bramah's Pump , 55 Tube Drawing , method of ...
第 10 頁
... rail . Take therefore T to denote the friction caused by that pressure , and which amounts to the increase of traction arising from centrifugal force . Although the pressure may be nearly the same at both of the points just mentioned ...
... rail . Take therefore T to denote the friction caused by that pressure , and which amounts to the increase of traction arising from centrifugal force . Although the pressure may be nearly the same at both of the points just mentioned ...
第 11 頁
... rail is to the friction of the flange upon the edge of the rail , as radi- us to Cos . P : then is the car equally liable either to run off the track , or to continue upon it . The demonstration of these two theorems , which , for the ...
... rail is to the friction of the flange upon the edge of the rail , as radi- us to Cos . P : then is the car equally liable either to run off the track , or to continue upon it . The demonstration of these two theorems , which , for the ...
第 22 頁
... rail fences , mortice it first , and proceed in the same way . [ From the Journal of the Franklin Institute . ] Specification of a patent for a mode of de- taching horses from a carriage , either when running away , or whenever it may ...
... rail fences , mortice it first , and proceed in the same way . [ From the Journal of the Franklin Institute . ] Specification of a patent for a mode of de- taching horses from a carriage , either when running away , or whenever it may ...
第 25 頁
... railway , the magnitude and weight of the loads which may be transport . ed on it , and the prodigious speed which may be attained , render the transport of cattle of every species , to almost any aistance , both easy and cheap . In ...
... railway , the magnitude and weight of the loads which may be transport . ed on it , and the prodigious speed which may be attained , render the transport of cattle of every species , to almost any aistance , both easy and cheap . In ...
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第 87 頁 - I have seen the water run like a constant fountain stream forty foot high; one vessel of water rarefied by fire driveth up forty of cold water. And a man that tends the work is but to turn two cocks, that, one vessel of water being consumed, another begins to force and re-fill with cold water, and so successively, the fire being tended and kept constant, which the self-same person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
第 275 頁 - I elevated myself upon a platform and addressed the assembly. I stated that I knew not what was the matter, but if they would be quiet and indulge me for half an hour, I would either go on or abandon the voyage for that time.
第 275 頁 - 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." Never did a single encouraging remark, a bright hope, or a warm wish, cross my path.
第 247 頁 - Speak not but what may benefit others or yourself; avoid trifling conversation. 3 ORDER Let all your things have their places; let each part of your business have its time. 4 RESOLUTION Resolve to perform what you ought; perform without fail what you resolve. 5 FRUGALITY Make no expense but to do good to others or yourself; ie, waste nothing.
第 262 頁 - Croesus' wealth a straw; For care, I care not what it is; I fear not fortune's fatal law; My mind is such as may not move For beauty bright, or force of love. I wish but what I have at will; I wander not to seek for more; I like the plain, I climb no hill; In greatest storms I sit on shore, And laugh at them that toil in vain To get what must be lost again.
第 323 頁 - Whereas the main Business of Natural Philosophy is to argue from Phenomena without feigning Hypotheses, and to deduce Causes from Effects, till we come to the very first Cause, which certainly is not mechanical; and not only to unfold the Mechanism of the World, but chiefly to resolve these and such like Questions.
第 247 頁 - SINCERITY. Use no hurtful deceit; think innocently and justly, and, if you speak, speak accordingly. 8. JUSTICE. Wrong none by doing injuries, or omitting the benefits that are your duty.
第 246 頁 - I would you were a brother of the angle ; for a companion that is cheerful, and free from swearing and scurrilous discourse, is worth gold. I love such mirth as does not make friends ashamed to look upon one another next morning...
第 274 頁 - The other redeems it from all its insignificance; for it tells me that in the leaves of every forest, and in the flowers of every garden, and in the waters of every rivulet, there are worlds teeming with life, and numberless as are the glories of the firmament.
第 274 頁 - The one has suggested to me, that beyond and above all that is visible to man, there may lie fields of creation which sweep immeasurably along, and carry the impress of the Almighty's hand to the remotest scenes of the universe. The other suggests to me...