The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Band 12M. Salmon, 1830 |
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Seite iii
... never have a place in the breasts of those , who look only to have leisure when they have no more to learn . In philo- sophy there are always new worlds to conquer . A limit there will ever be , beyond which the longest sword cannot ...
... never have a place in the breasts of those , who look only to have leisure when they have no more to learn . In philo- sophy there are always new worlds to conquer . A limit there will ever be , beyond which the longest sword cannot ...
Seite 6
... never rises so high as to be three times that quantity , after which it decreases again . " Dr. H. adds a table of the actual quantities of resistances , deduced from accurate experiments with a ball of 1965 inches diameter . From this ...
... never rises so high as to be three times that quantity , after which it decreases again . " Dr. H. adds a table of the actual quantities of resistances , deduced from accurate experiments with a ball of 1965 inches diameter . From this ...
Seite 11
... never touch it . The expression " infinity of divi- sion " must not be confounded with " infinity of divisibility ; " the former means that degree of infinity which may be attained by real measurement , while the latter implies that to ...
... never touch it . The expression " infinity of divi- sion " must not be confounded with " infinity of divisibility ; " the former means that degree of infinity which may be attained by real measurement , while the latter implies that to ...
Seite 14
... never bring it before the public . Has Mr. B. ever heard of Mr. Perkins ? has he ever heard of the American Buchannan ? and a host of other wonder - working engineers , who have shared the same fate ? And if the intelligent and ...
... never bring it before the public . Has Mr. B. ever heard of Mr. Perkins ? has he ever heard of the American Buchannan ? and a host of other wonder - working engineers , who have shared the same fate ? And if the intelligent and ...
Seite 21
... never cease , before the cosine gf , is absorbed in the radius at d . And the maximum force will take place when the sine f h vanishes at the point c ; c n will be the ten- dency of the propelling power of the paddle z c ; and mr that ...
... never cease , before the cosine gf , is absorbed in the radius at d . And the maximum force will take place when the sine f h vanishes at the point c ; c n will be the ten- dency of the propelling power of the paddle z c ; and mr that ...
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Häufige Begriffe und Wortgruppen
advantage Almanac amianthus angle apparatus appears applied arch axis axle Barton-upon-Humber body boiler Braithwaite Camera Lucida carriage centre centre of gravity common consequently construction correspondent cusps cycloid cylinder diameter direction distance draw duodecimal effect ellipse engine epicycloids equal expense experiments feet fire Fleet Street force friction fuel Gilman give given gravity heat high-water hour improvement inches inclined plane increase invention iron LARDNER'S LECTURES last Number LECTURES ON MECHANICS lever Liverpool load locomotive Lubbock machine Magazine means ment Messrs method miles miles per hour minutes mode motion move neral Novelty observed parabola pass patent perpendicular person pipe practice present principle produced pulley purpose quantity quired rail railway readers Sans Pareil screw SEPTENARY side slide steam suppose thing tion TRIGONOMETRY velocity weight wheels whole
Beliebte Passagen
Seite 336 - O MORTAL man, who livest here by toil, Do not complain of this thy hard estate ; That like an emmet thou must ever moil, Is a sad sentence of an ancient date ; And, certes, there is for it reason great ; For, though sometimes it makes thee weep and wail, And curse thy star, and early drudge and late, Withouten that would come a heavier bale, Loose life, unruly passions, and diseases pale.
Seite 83 - As any one side, Is to the sine of its opposite angle ; So is any other side, To the sine of its opposite angle.
Seite 227 - The free course of the River being obstructed by the numerous piers of the ancient Bridge, and the passage of boats and vessels through its narrow channels being often attended with danger and loss of life by reason of the force and rapidity of the current, the City of London, desirous of providing a remedy for this evil, and at the same time consulting the convenience of Commerce in this vast emporium of all nations, under the sanction...
Seite 16 - THIS verse be thine, my friend, nor thou refuse This from no venal or ungrateful Muse. Whether thy hand strike out some free design, Where life awakes, and dawns at every line, Or blend in beauteous tints the colour'd mass, And from the canvas call the mimic face...
Seite 136 - The fire in the boiler shall then be lighted, and the quantity of fuel consumed for getting up the steam shall be determined, and the time noted. The tender-carriage, with the fuel and water, shall be considered to be, and taken as part of the load assigned to the engine. Those engines that carry their own fuel and water shall be allowed a proportionate deduction from their load according to the weight of the engine.
Seite 13 - Hipparchus, was an astrolabe for taking the distances in longitude between the sun and moon, or between the moon and a star.
Seite 478 - I should be much obliged to any of your correspondents who would favour me with an explanation of the following singular fact.
Seite 105 - I could distinguish by a telescope every sail, the general rig of the ship, and its particular character; insomuch that I confidently pronounced it to be my father's ship the Fame, which it afterwards proved to be; though, on comparing notes with my father, I found that our relative position at the time gave our distance from one another very nearly thirty miles, being about seventeen miles beyond the horizon, and some leagues beyond the limit of direct vision.
Seite 135 - ... the average rate of travelling shall not be less than ten miles per hour. " As soon as the engine has performed this task, (which will be equal to the travelling from Liverpool to Manchester,) there shall be a fresh supply of fuel and water delivered to her; and as soon as she can be got ready to set out again, she shall go up to the startingpost, and make ten trips more, which will be equal to the journey from Manchester back again to Liverpool.
Seite 391 - ... or it may, perhaps, extend also to a new process, to be carried on by known implements, or elements acting upon known substances, and ultimately producing some other known substance, but producing it in a cheaper or more expeditious manner, or of a better and more useful kind. But no merely philosophical or abstract principle can answer to the word