3640 Abrasion 



Overstrain in iron, recovery from. Muir, J. 



[1899] Phil. Trans. (A) 193 (1900) 1-. 

 Steel bars, endurance under repeated tensional 



stress. Coker, E. G. I. CE. P. 135 (1899) 



294-. 

 Strength of materials, effect on. Merriman, 



M. V. Nost. Eng. Mg. 32 (1885) 96-. 



3640 Hardness. Friction between 

 solids. Abrasion, 



ABEASION. 



Attrition, laws. Trouton, F. T. B. S. P. 59 



(1896) 25-. 

 Carborundum, new abrasive material. Frank- 



linlnst. , Comm. Franklin I. J. 137 (1894) 401-. 

 Coefficient of abrasion as absolute measure 



of hardness. Trouton, F. T. B. A. Kp. 



(1890) 757-. 

 Corundum, efficiency. Emerson, W. H. [1899] 



Am. I. Mn. E. T. 29 (1900) 230-. 

 Emery and other abrasives. Paret, T. D. 



Franklin I. J. 137 (1894) 353-, 421-. 

 Fine sands, action of waves, evidence of 



Skerries shoal. Hunt, A. E. Devon. As. 



T. 19 (1887) 498-. 

 Garnet as abrasive. Hooper, F. C. Sch. 



Mines Q. N. Y. 16 (1895) 124-. 

 Gun barrels, action of powder products. Abel, 



(Sir) F., <& Maitland, (Col.) . I. & S. I. J. 



(1886) 465-. 



tubes, steel, action of projectiles and ex- 

 plosives. Roberts-Austen, W. C. I. & S. I. 

 J. (1898) (No. 2) 233-. 



, use of liners in. Longridge, J.A. I. CE. 



P. 109 (1892) 288-. 

 Iron and steel, abrasion tests. Pomeroy, L. E., 



& Price, C. S. Am. Eng. & Eailroad J. 70 



(1896) 322-. 

 Planing, force and work in. Afanasjeff, N. 



Fschr. Ps. (1884) (Ab. 1) 273-. 



machines, performance. Exner, W. F., 

 <& Laubock, G. Giving. 26 (1880) 287-. 



of metals. Tresca, H. C. E. 73 (1871) 

 1307-. 



, formation of chips in. Judenfeind- 

 Hillsse, G. H. Giving. 23 (1877) 615-. 



Eoad wear. Gravenhorst, F. Hann. Archt.- 



Vr. Z. 33 (1887) 409- ; 43 (1897) 423-. 

 , various causes. Ortt, F. L. 's Gravenh. 



I. Ing. Ts. (1893-94) (Vh.) 15-. 

 Eoads and road metalling. Clark, T. Cornwall 



Pol. S. Ep. (1886) 103-. 

 Saw, curvilinear. Trotter, J. Nicholson J. 17 



(1807) 334-. 

 Sawing, experiments. Eegneault, E. E. Nancy 



Mm. S. Sc. (1839) 128-. 

 Tree trunks, peculiar abrasion. Van Epps, 



P. M. Science 3 (1896) 442-. 



BOEING. 



Thomson, J. Franklin I. J. 17 (1849) 68-. Blast-holes. Havrez, J. Cuyper Ev. Un. 39 



Mackworth, H. N. Eng. I. Mn. E. T. 2 (1876)489-; 6(1879)293-. 



(1853-54) 57-. Bore-holes, wide. Heyn, . Karsten Arch. 



Lippmann, E. Par. Ing. Civ. Mm. (1878) 817-. Bergbau 8 (1824) 91-. 



342 



Boring 3640 



Apparatus. 



Hericart de Thury, L. E. F. J. Mines 31 



(1812) 401-. 



Degousee, J. A. Mines 14 (1838) 315-. 

 Lefebvre, . A. Mines 15 (1839) 455-. 

 Degousee, J. A. Mines 19 (1841) 593-. 

 Oeynhausen, K. Karsten Arch. 21 (1847) 135-. 

 for borings by direct pressure. Allen, T. [1872] 



(yn) Am. S. CE. T. 2 (1874) 33-. 

 drills, best form. Seckendorf, W. von. Cuyper 



Ev. Un. 12 (1862) 198-. 

 , diamond. Basset, A. N. Eng. I. Mn. E. 



T. 23 (1874) 179-. 

 , prospecting core. Rogers, S. Cornwall 



E. I. J. 11 (1895) 378-. 



for granite, etc. Tresidder,J. Cornwall Pol. 

 S. T. (1852) 97-. 



rock boring engines. Schrader, . Z. Berg- 



H.- Salw. 41 (1893) (Ab.) 110-. 

 , Brunton's. Biver, . C. E. 91 



(1880) 525-. 

 , calculations. Preg6l, . Dingier 



273 (1889) 114-. 



drills, compressed air, and other. Sachs, 

 C. Cuyper Ev. Un. 19 (1866) 392-. 



rods, improved boring-head for. Fabian, . 



Karsten Arch. 22 (1848) 206-. 

 , mud-lifter for. Degenhardt, C. Karsten 



Arch. 7 (1834) 185-. 



for very deep borings. Le Play, F. A. 

 Mines 15 (1839) 447-. 



for rope-drilling, new. Sontag, H. Berg- Hm. 



Ztg. 28 (1869) 5-. 

 , Urals. Erman, A. Erman Arch. 



Es. 12 (1853) 335-. 

 Eyan's machine. Edgeworth, E. L. Nicholson 



J. 15 (1806) 81-. 

 verifying instrument. Baillet, A. J. Mines 



10 (1801) 567-. 



Artesian Wells. 



Audiganne, . Big. S. Ag. J. 4 (1857) 350-. 

 boring and action. Kastner, K. W. G. Kastner 



Arch. Ntl. 18 (1829) 466-. 

 , Fontainebleau. Hericart-Ferrand (vicomte 



de Thury), L. E. F. (xn) Fr. S. Ag. Mm. 



(1819) 323-. 

 , Lozere (France). Ignon, A. Mende S. Ag. 



Mm. (1830) 202-. 



method, new. Hammer schmidt, C. E. D. 

 Nf. Vsm. B. (1836) 65-. 



methods, Vienna. Camilla, . Baum- 

 gartner Z. 9 (1831) 475-. 



, Mondorf, and Kind's improvements. Eivot, 



L. E. A. Mines 8 (1845) 75-. 

 , Tuticorin (Madras). Anon. (vi 777) 



Madras J. 15 (1848) 167-. 

 machinery, etc. Burnell, G. E. (vi Adds.) 



CE. I. P. 23 (1863-64) 459-. 

 theory and practice. Jebb, J. [1841] E. E. 

 > Pp. 5 (1842) 266-. 



