 | Perry Fairfax Nursey - 1841 - 538 Seiten
...average, are used in cast iron as well as wrought, and this circumstance has no doubt had its effect in rendering them coarser than they would have been,...be about 55", and this was also pretty nearly the mean of the angle in screws of different diameters. As it is for various reasons desirable that the... | |
 | Thomas Minchin Goodeve, Charles Percy Bysshe Shelley - 1877 - 116 Seiten
...average are used in cast iron as well as in wrought iron ; and this circumstance has had its effect in rendering them coarser than they would have been if restricted to wrought iron. The screw which Sir Joseph Whitworth uses in his Works as the standard from which other screws are cut... | |
 | Thomas P. Pemberton - 1882 - 144 Seiten
...shows the average, are used in cast iron as well as wrought; and this circumstance has had its effect in rendering them coarser than they would have been,...depth. The mean of the variations of this angle in 1 inch screws was found to be about 55°, and this was also, pretty nearly the mean of the angle in... | |
 | North-east coast institution of engineers and shipbuilders, Newcastle-upon-Tyne - 1895 - 598 Seiten
...average, are used in cast iron as well as wrought, and this circumstance has no doubt had its effect in rendering them coarser than they would have been if restricted to wrought iron. . . . The mean of the variations of angle in 1 inch screws was found to be about 55 degs. As it is desirable... | |
 | Britannia company - 1892 - 330 Seiten
...average, are used in cast-iron as well as wrought; and this circumstance has, no doubt, had its effect in rendering them coarser than they would have been if restricted to wrought-iron. The variation in depth among the different specimens was found to be greater proportionally... | |
 | Joseph Wickham Roe - 1916 - 422 Seiten
...the whole Commission which led to the remodeling of the British gun-making plant at Enfield. Nasmyth The variation in depth among the different specimens was found to be greater proportionately than in pitch. The angle made by the sides of the thread will afford a convenient expression... | |
 | Joseph Wickham Row - 1916 - 422 Seiten
...shows the average, are used in cast iron as well as wrought; and this circumstance has had its effect in rendering them coarser than they would have been if restricted to wrought-iron. FIGURE 2j. SIR JOSEPH WHITWORTH tures of the United States.5 Nearly all the memoirs of... | |
 | Joseph Whitworth - 1882 - 154 Seiten
...average, are used in cast iron as well as wrought ; and this circumstance has, no doubt, had its effect in rendering them coarser than they would have been...be about 55°, and this was also pretty nearly the mean of the angle in screws of different diameters. As it is, for various reasons, desirable that the... | |
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... bolts, besides being weaker and less durable, might render it difficult to unfix them when occasion required. It will be remembered that the threads of which the preceding table shows the average, are used in cast iron as well as wrought, and this... 