0120 Measurements of Angles 



Decimal system for angles and time. Mendi- 



zdbal Tamborrel, J. de. Mex. S. "Alzate" 



Mm. 13 (1900) (Mth. Suppl.) 12 pp. 

 , with tables for reduction. 



Goedseels, . Brux. S. Sc. A. 23 (1899) 



(Pt. 2) 263-. 

 Differences, small angular, [measurement. 



Langner, H. Z. Instk. 6 (1886) 299-. 

 Dividing engine (von Reichenbach's). Liebherr, 



J. Gilbert A. 67 (1821) 109- ; 69 (1821) 320-. 

 . Reichenbach, G. R. van. Gilbert A. 68 



(1821) 33-. 

 . Wegener, T. (xn) Z. Instk. 3 (1883) 117-. 



, automatic. Saegmiiller, G. N. Z. 

 Instk. 14 (1894) 84-. 



, Girgensohn's. Lenz, E. [1844] St. 



Pet. Ac. Sc. fill. 3 (1845) 52-. 

 , Eamsden's. Wollaston, W. H. QJ. Sc. 



12 (1822) 381-. 



engines. Kuntz, . A. G&i. Civ. 7 (1868) 

 816- 



, Eamsden and early. Watkins, J. E. 

 Smiths. Rp. (1890) 721-. 



Glass circle for angles. Rutherfurd, L. M. 



Am. J. Sc. 12 (1876) 112-. 

 Goniograph, double reflecting. Gelcich, E. 



Z. Instk. 7 (1887) 93-. 

 Goniometer, crystal, new. Czapski, S. Z. 



Instk. 13 (1893) 1-, 242-. 

 , , adjustment for. Schneider, E. Z. 



Instk. 4 (1884) 242-. 

 , new form. O'Reilly, J. P. [1872] Ir. Ac. 



P. 1 (1873-74) 294-. 

 Instrument, new. (Pantogon.) Domke, J. Z. 



Instk. 20 (1900) 360-. 

 Instruments for graduation. Troughton, E. 



Phil. Trans. (1809) 105-. 

 (Troughton). Cavendish, H. Phil. 



Trans. (1809) 221-. 



Interferometer applied to small angles. Wads- 

 worth, F.L. 0. Ps. Rv. 4 (1897) 480-. 

 Mirror method, magnification of measurement 



by. Lermantoff, W. J. de Ps. 10 (1891) 34-. 



and scale, measurement by. Kohlrausch, F. 

 A. Ps. C. 31 (1887) 95-. 



Reflecting measuring instruments. Amici, 



G. B. [1836] Mod. Mm. S. It. 21 (1837) 142-. 

 . cubr, E. Casopis 2 (*1873) 233-; 



Pschr. Mth. (*1873) 553. 

 Reflection methods for angles of altitude. 



Koristka, K. Grunert Arch. 27 (1856) 275-. 

 Repetition, measurement of angles by. Four- 

 cade, H. G. S. Afr. Ph. S. T. 8 (1896) 63-. 

 Right angles, accuracy of instruments for 



production. Lorber, F. Z. Instk. 8 (1888) 



381-, 412-. 

 Rotating divisions, method of reading. Brod- 



hun, E. Z. Instk. 17 (1897) 10-. 

 Rotations, small, optical measurement. Ray- 



leigh, J. W. Strutt (Lord). Ph. Mg. 20 



(1885) 360-. 

 Solid angles, instrument for. Weber, L. Z. 



Instk. 4 (1884) 343-, 417-. 

 Tachymeter, Charnot's. Anon. A. Cond. 



Pon. Chauss. 33 (1889) 521-. 

 , Maury's. Anon. A. Cond. Pon. Chauss. 



42 (1898) 854-. 



Measurements of Mass 0130 



Tachymeter, Sanguet's. Anon. A. Cond. 



Pon. Chauss. 42 (1898) 769-. 

 Theodolite, eccentric. Vinton, F. L. [1871] 



Am. I. Mn. E. T. 1 (*1871-73) 63-. 

 , mining, new. Frid, Jos., <& Fric, Jan. 



Z. Instk. 6 (1886) 221-, 305-. 

 with new micrometer. Heyde, G. Z. 



Instk. 8 (1888) 171-. 

 Theodolites, illumination. Fennel, A. Z. 



Instk. 8 (1888) 236-. 



0130 



Measurements of mass and 

 density; balance. 



MASS. 



Francke,A. Hann. Archt.-Vr. Z. 20 (1874) 539-. 

 Air, weight of litre. Broch, 0. J. Par. Poids 



et Mes. Tr. Mm. 1 (*1881) A. 49-. 

 , , and density of gases. Leduc, A. 



C. R. 117 (1893) 1072-. 

 , (Regnault) ; water, density at 4 C. 



and at C. Kohlrausch, R. Pogg. A. 98 



(1856) 178-. 

 _, millilitre. Marek, W. J. Par. Poids 



et Mes. Tr. Mm. 1 (*1881) D. 26-. 

 Carbon dioxide in air of weighing room. 



Dobrochotov, A. Rs. Ps.-C. S. J. 29 (Ps.) 



(1897) (App.) 85-. 

 Coins, system of adjusting to standard in 



weight. Smith, J. T. Madras Eng. Rp. 2 



(1846) 205-. 

 Electricity, application to weighing. Decharme, 



C. Lum. Elect. 19 (1886) 15-. 

 , free, influence on exact weighing. Ekman, 



F. L. Stockh. Ofv. 17 (1860) 279-. 

 Gas weighed by Aristotle. Erman, P. Gilbert 



A. 16 (1804) 385-. 

 Gases, weights, new method of determining. 



Potter, J. [1827] Manch. Ph. S. Mm. 5 



(1831) 195-. 

 Kilogramme, comparison of types, weighing 



observations. Broch, 0. J. Par. Poids et 



Mes. Tr. Mm. 4 (1885) i-. 

 , standard III, volume. Broch, 0. J. Par. 



Poids et Mes. Tr. Mm. 4 (1885) 23-. 

 , , weighings. Dumas, J. B., and otliers. 



Par. Poids et Mes. Tr. Mm. 4 (1885) 1-. 

 Metallic globules, minute, method of finding 



weight without balance. Byrne, O. (nAdds.) 



Chemist 5 (1844) 241-. 

 Pendulum, weighing by means of. Fuchs, K. 



Exner Rpm. 26 (1890) 634-. 

 Water, cubic decimetre, mass. Fabry, C., 



Mad de Lepinay, J., <& Perot, A. C. R. 



129 (1899) 709-. 

 , , weight. Wild, H. A. Cons. Arts 



et Met. 10 (*1873) 106-. 

 , , . Mendeleejf, D. R. S. P. 59 



(1896) 143-. 

 , , . Chappuis, . Par. Poids et 



Mes. PV. (1897) 125-. 

 , , . Guillaume, C. E. Par. Poids 



et Mes. PV. (1899) 143-. 

 , foot, weight. Haily, R. J. Par. S. 



Phlm. Bll. 1 (1791) 39-. 



34 



