5435 Magnetic Testing 



watches, demagnetisation. Deprez, M. C. B. 



97 (1883) 41-. 

 , . Hopkins, G. M. Tel. J. 19 (1886) 



403-. 

 , magnetisation. Luys, J. Bv. Sc. 36 (1885) 



478-. 

 , . Libert, . Finist. S. Sc. Bll. 8 



(Fasc. 2) (1886) 11- ; 10 (1890) 12-. 

 , and demagnetisation. Gintl, W. Baum- 



gartner Z. 5 (1837) 529-. 

 , magnetised. Lewis, W. T. [1896] Franklin 



I. J. 143 (1897) 60-. 

 , Paillard palladium alloys in. Houston, E. 



J. Am. Ph. S. P. 25 (1888) 129-. 



5435 Magnetic Testing. 

 Instruments. 



MAGNETIC TESTING. 



Swing, J. A. Elect. 38 (1897) 110-. 

 Ballistic galvanometer, d'Arsonval's, tests by. 



Sheldon, S., & Cocks, T. Sc. Abs. 1 (1898) 



715-. 

 , measurements with. Gray, T. Science 



1 (1895) 533-. 

 Diamagnetometer, Weber's, experiments with. 



Arndtsen, A. (vn) Ps. Mdd. (1858) 23-; 



(i) Pogg. A. 104 (1858) 587-. 

 Iron. Saxby, S. M. Nv. Archt. T. 9 (1868) 



61-. 



(Saxby's method). Paget, F. A. Dingier 

 187 (1868) 43-. 



. Sivinburne, J., <& Bourne, W. F. Elect. 



25 (1890) 648-. 

 , criticism of methods of testing. Armagnat, 



H. Sc. Abs. 3 (1900) 556. 

 , magnetic detection. Duane, W. A. Ps. C. 



62 (1897) 543-. 



masses, disturbing action. Christiani, A. 

 (xn) Berl. Ps. Gs. Vh. 1 (1882) 1-. 



and steel. Ewing, J. A. I. CE. P. 126 

 (1896) 185-. 



Magnetometer, sine, measurement of deviations 

 with, in east and west positions of deviation 

 magnet. Chistoni, C, Bm. Uff. Centr. Met. 

 A. 10 (Ft. 4) (1891) 283-. 



Magnetometric arrangements free from external 

 disturbance. Du Bois, H. Berl. Ps. Gs. Vh. 



(1896) 102-. 



Observations, magnetic, in geological mapping. 

 Smyth, H. L. [1896] Am. I. Mn. E. T. 26 



(1897) 640-. 



, , theory. Plana, G, Tor. Mm. Ac. 6 



(1844) 125-. 

 Oscillation period of bar magnets, method of 



determination. Hansemann, G. A. Ps. C. 



28 (1886) 245-. 

 Oscillations, magnetic, duration. Kupffer,A.T. 



A. C. 35 (1827) 225-. 

 , , reduction to vacuum. Lamont, J. 



Pogg. A. 71 (1847) 124-. 



Values, magnetic, instantaneous, direct deter- 

 mination. Kaufmann, W. D. Ps. Gs. Vh. 



(1899) 42-. 



Instruments 5435 



INSTEUMENTS. 

 (See also Meteorology 3012.) 



Lamont, J. Munch. Gelehrte Az. 13 (1841) 



993-. 

 Wild, H. I. [1872] (xi) Wild Bpm. Met. 3 



(1874) No. 2, 10 pp. 

 Treat, E. B., & Esterline, J. W. [1897] Sc. 



Abs. 1 (1898) 78. 

 balance. Herapath, W. Thomson A. Ph. 2 



(1821) 291. 

 . Tiberg, E. [1882] Berg- Hm. Ztg. 42 



(1883) 512-. 



. Hughes, D. E. [1883] E. S. P. 36 (1884) 



167-. 



. Tiberg, E. Jern- Kont. A. 39 (1884) 29-. 

 . Du Bois, H. E. J. G. Elekttech. Z. 13 



(1892) 579- ; Elect. 29 (1892) 448-. 

 . Guglielmo, G. Arch. Neerl. 5 (1900) 



175-. 



or bridge for measuring conductivity. 

 Edison, T. A. Am. As. P. (1887) 92-. 



, Du Bois's. Ebeling, A., & Schmidt, E. 



Z. Instk. 16 (1896) 353-. 

 , Hughes's. Hoffmann, G. Elekttech. Z. 5 



(1884) 327-. 



, Lloyd's, modified, for vertical intensity 

 variations. Solander, E. Ups. S. Sc. N. 

 Acta 14 (1891) No. 10, 15 pp. 



for measuring intensity of magnetic field. 

 Angstrom, K. [1888] Stockh. Ak. Hndl. Bh. 

 14 (Afd. 1) (1889) No. 11, 7 pp. 



of precision. Du Bois, H. A. Ps. 2 (1900) 

 317- ; Z. Instk. 20 (1900) 113-, 129-. 



for testing of permeability. Ewing, J. A. 

 [1898] I. Elect. E. J. 27 (1899) 526-. 



comparison. Chree, C. [1897] E. S. P. 62 



(1898) 155-. 

 correcting plates for compasses, etc. Barlow, 



P. Edinb. J. Sc. 5 (1826) 214-. 

 curve tracer. Ewing, J. A. B. A. Ep. (1892) 



653- ; Elect. 29 (1892) 543 ; 31 (1893) 99-. 

 , continuous and alternating current mag- 

 netic. Moore, J. E. Ph. Mg. 41 (1896) 



106-. 

 deflector, de Kollong's. Krylov, A. N. Es. 



Ps.-C. S. J. 20 (Ps.) (1888) 211-. 

 detector of electric waves, and applications. 



Rutherford, E. [1896] B. A. Ep. (1896) 



724 ; Phil. Trans. (A) 189 (1897) 1-. 

 direct-reading, for measuring magnetic pro- 

 perties of iron. Koepsel, A. Berl. Ps. Gs. 



Vh. (1894) 30-; Elekttech. Z. 15 (1894) 214-. 

 , (Koepsel). Orlich, E. 



Z. Instk. 18 (1898) 39-. 

 hysteresis tester, Blondel-Carpentier. Ar- 



magnat, . [1898] Sc. Abs. 2 (1899) 300. 

 induction-inclinatorium. Wild, H. Met. Z. 



12 (1895) 41-. 

 influence of " vagabond " electric currents on. 



Edler, J. D. Ps. Gs. Vh. (1899) 174-. 

 local influences on measuring instruments, 



avoidance. Dorn, . Elekttech. Z. 5 



(1884) 403-. 



608 



