3290 Testing Machines 



Strains, and internal stress, determination by 



polariscope. Alexander, P. Glasg. Ph. S. 



P. 28 (1887) 242-. 

 , measurement, taseometer for. Steiner, F. 



Dingier 226 (1877) 283-. 

 , small, measurement. Ewing, J. A. E. S. 



P. 58 (1895) 123-. 

 , , , apparatus. Ewing, J. A, Nt. 50 



(1894) 408. 

 , , , . Warren, W. H. N. S. W. E. 



S. J. 31 (1897) 89-. 

 , , , for bars subjected to twist. Coker, 



E. G. Ph. Mg. 46 (1898) 520-. 

 Tensile tests, apparatus. O'Neill, C. [1863] 



Manch. Ph. S. Mm. 2 (1865) 389-. 

 , , self-recording. Leuner, 0. Dingier 



270 (1888) 165-. 

 , , . Tetzner, H. Giving. 37 



(1891) 503-. 

 , , . Guidi, C. Tor. Ac. Sc. At. 



34 (1898) 39-. 

 , factors influencing results. Goedicke, E. 



Oestr. Z. Brgw. 31 (1883) 557-, 575-. 



of metals and fibres, smicrologometer 

 for. Lydiatt, E. Nicholson J. 32 (1812) 

 81-. 



silks, instrument for. Bolle, G. 

 Trieste Bll. 7 (1882) 248-. 



wool, instrument for. Karmarsch, K. 



Wien Jb. Pol. I. 4 (1823) 347-. 



Testing Machines. 



Conti, P. Bologna Ac. Sc. Mm. 7 (1876) 



223-. 

 for chain cables and timber. Dunn, T. (vi 



Adds.) CE. I. P. 16 (1856-57) 301-. 

 Emery's. Towne, H. R. I. ME. P. (1888) 



206-. 

 for equal alternate stresses. Warren, W. H. 



N. S. W. K. S. J. 32 (1898) cxxix-. 

 history, construction and use. Abbott, A. V. 



V. Nost. Eng. Mg. 30 (1884) 204-, 325-, 



382-, 477-. 

 horizontal lever. Adamson, D. I. & S. I. J. 



(1888) (No. 2) 12-. 

 hydraulic. Tuit, J. E. Br. Archt. J. 3 (1896) 



352-. 

 for impact tests. Russell, S. B, Am. S. CE. 



T. 39 (1898) 237-. 

 improvements. Abbott, A. V. Science 3 (1884) 



312-, 814. 

 for metals. Thareau, G. [1887] Gen. Civ. 12 



(1887-88) 5-, 21-. 

 , hydraulic system for tensile and other 



tests. Foris, . Gen. Civ. 19 (1891) 25-. 

 , Kennedy's. Combe, J. [1890] Gn. Civ. 



18 (1890-91) 81-. 

 six hundred ton machine at Athens, Pa. 



Macdonald, C. Am. S. CE. T. 16 (1887) 1-. 

 springs, standardising of loading. Pfuhl, E. 



Giving. 35 (1889) 371-. 

 , use in rigidity experiments. Strack, . 



[1886] Karlsruhe Nt. Vr. Vh. 10 (1888) 



(Sb.) 104-. 

 Taylor's, for vegetable fibres, threads and 



twine. Taylor, T. U. S. Sec. Ag. Ep. (1891) 



414-. 



Moduli 3290 



Thomasset's. Gautier, F. I. & S. I. J. (1889) 



(No. 1) 184-. 

 U. S. A. machine at Watertown arsenal. 



Holley, A. L. Am. I. Mn. E. T. 7 (*1879) 



256-. 



Timber, strength, microscopic investigation. 

 Day, F. M. Am. Ph. S. P. 21 (1884) 

 333. 



, uniform system of testing, need. Gamp- 

 bell, F. A. [1886] Viet. E. S. T. 23 (1887) 

 244-. 



Wires, apparatus for measurement and demon- 

 stration of deformation. Oberbeck, A. N.- 

 Vorp. Mt. 19 (1888) 86-. 



, extension, apparatus for measurement. 

 Searle, G. F. C. Camb. Ph. S. P. 10 (1900) 

 318-. 



under stress, temperature changes in, test- 

 ing apparatus. Wassmuth,A. Wien Ak. Sb. 

 97 (1889) (Ab. 2a) 52-. 



, telegraph, mechanical testing. Culley, R. 

 S. (ix) Tel. E. J. 2 (1873) 211-. 



, , , apparatus for. Rothen, T. J. Tel. 



4 (1878-80) 697-. 



Minerals, dense, constants of some. Voigt, W., 

 & Drude, P. Gott. Nr. (1889) 519- ; (1890) 

 542-. 



, , . Drude, P., & Voigt, W. 

 A. Ps. C. 42 (1891) 537-. 



MODULI OF ELASTICITY. 



determination by flexure of bars. Koch, K. R. 



A. Ps. C. 5 (1878) 251-. 

 . Pscheidl, W. Wien Ak. Sb. 



79 (1879) (Ab. 2) 114- ; 86 (1883) (Ab. 2) 



, new method. Konig, A. Berl. Ps. Gs. Vh. 



(1885) 59-. 

 , 's Gravesande's method. Oberbeck, A. A. 



Ps. C. 37 (1889) 526. 

 , . Stradling, G. A. Ps. C. 41 (1890) 



330-. 



for small loads. Weston, C. P. Ps. Rv. 8 

 (1899) 297-. 



quantities of material, and some high 



moduli. Auerbach, F. A. Ps. C. 58 (1896) 

 381-. 



by tension experiments. Brix, A. F. W. 

 Grunert Arch. 4 (1844) 239-. 



theory of balance spring. Phillips, E. 



C. E. 56 (1863) 296-; 58 (1864) 449-; A 



Mines 15 (1869) 65-. 

 vibrations. Kurz, A. Exner Epm. 19 



(1883) 246-. 

 and elastic limit, determination. Phillips, E. 



C. E. 88 (1879) 315-. 

 Hooke's law, apparent exceptions to. Brillouin, 



M. A. C. 13 (1898) 231-. 

 and moduli of resistance. Winkler, E. Giving. 



9 (1863) 405-. 

 new constant, definition and determination, 



and correction of modulus. Tammen, H. G. 



(xn) Zwick. Vr. Nt. Jbr. (1880) 21-. 



323 



