 | Perry Fairfax Nursey - 1841 - 538 páginas
...principally by reference to the depth — a coarser thread being objectionable, because the extra depth would too much weaken the centre part of the bolt,...standard for practical purposes than any other. Messrs. "VVhitworth and Co. were led some years ago to alter the threads of their screwing tackle on this principle,... | |
 | William Newton, Charles Frederick Partington - 1842 - 580 páginas
...to discourage any hope of its removal. The only mode in which this could be effected, would be by a compromise ; all parties consenting to adopt a medium...general concurrence, but would in all probability approach very nearly to the true standard for practical purposes. The author then proceeds to describe... | |
 | William Newton - 1842 - 546 páginas
...to discourage any hope of its removal. The only mode in which this could be effected, would be by a compromise ; all parties consenting to adopt a medium...general concurrence, but would in all probability approach very nearly to the true standard for practical purposes. The author then proceeds to describe... | |
 | Institution of Civil Engineers (Great Britain) - 1848 - 536 páginas
...to discourage any hope of its removal. The only mode in which this could be effected, would be by a compromise ; all parties consenting to adopt a medium...general concurrence, but would in all probability approach very nearly to the true standard for practical purposes. Selection The author then proceeds... | |
 | Joseph Whitworth - 1858 - 234 páginas
...considerably in favour of the thread. Such being the variety and vagueness of the principles avowed in the subject, a corresponding latitude might naturally...practical purposes than any other. Messrs. Whitworth and Company were led, some years ago, to alter the threads of their screws on this principle, in consequence... | |
 | Thomas P. Pemberton - 1882 - 144 páginas
...considerably in favor of the thread. Such being the variety and vagueness of the principles avowed in the subject, a corresponding latitude might naturally...practical purposes than any other. Messrs. Whitworth & Company were led, some years ago, to alter the threads of their screws on this principle, in consequence... | |
 | North-east coast institution of engineers and shipbuilders, Newcastle-upon-Tyne - 1895 - 598 páginas
...discretion than by caiculation. After showing how one character limited or modified another he said : — Such being the variety and vagueness of the principles...true standard for practical purposes than any other. . . . He then explained that — A collection of bolts from various shops was made and the averages... | |
 | Britannia company - 1892 - 330 páginas
...principally by reference to the depth — a coarser thread being objectionable, because the extra depth would too much weaken the centre part of the bolt...were led some years ago to alter the threads of their screwing-tackle on this principle, in consequence of various objections urged against those they' had... | |
 | Joseph Wickham Roe - 1916 - 422 páginas
...separately modified; but practically no one character can be determined irrespective of the others. We find instead of that uniformity which is so desirable,...true standard for practical purposes than any other. An extensive collection was made of screw bolts from the principal workshops throughout England, and... | |
 | Joseph Wickham Roe - 1916 - 416 páginas
...character can be determined irrespective of the others. We find instead of that uniformity which is BO desirable, a diversity so great as almost to discourage...true standard for practical purposes than any other. An extensive collection was made of screw bolts from the principal workshops throughout England, and... | |
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The only mode in which this could be attempted with any probability of success would be by a sort of compromise, all parties consenting to adopt a medium for the sake of common advantage. The average pitch and depth of the various threads used by the... 
