1640 



Pendulum 



1640 



under disturbing forces. Weihrauch,K. Exner 



Epm. 22 (1886) 480-. 

 , influence of friction. Weihrauch, K. 



Exner Bpm. 22 (1886) 643-. 

 on Earth's surface. Chessin,A. S. J. H. Un. 



Cir. [14 (1894-95)] 64-. 

 with friction at point of support. Zukovskij, 



N. E. Mosc. S. Sc. fill. 91 (No. 2) (1895) 



28-; Fschr. Mth. (1895) 837. 

 length variable. Gylden, H. Stockh. Ofv. 



(1895) 507- ; Fschr. Mth. (1895) 1119-. 

 limits. Stamkart, F. J. Utr. Aant. Prv. Gn. 



(1852) (Sept. 11) 6-. 

 maintenance. Lippmann, G. C. E. 122 (1896) 



104- ; 127 (1898) 15-, 140; J. de Ps. 5 1896 



429-. 



. Guillet, A. C. E. 127 (1898) 94-. 

 in railway-carriage. San Roberto, P. di. Em. 



E. Ac. Line. Mm. 3 (1879) 277-. 

 recording apparatus for. Simon, C. Les 



Mondes 12 (1866) 344-. 

 relation to elastic curve. Peirce, B. Am. 



As. P. (1849) 128-. 

 of simple conical pendulum, as affected by 



Earth's rotation. Yvon-Villarceau, A. J. F. 



C. E. 89 (1879) 113-. 



flexible pendulum. Szabo, P. Orv.- 

 Termt. Ets. (Termt. Szak) (1890) 43-. 



pendulum. Braschmann, N. [1851] 

 St. P6t. Ac. Sc. Bll. 10 (1852) 81-. 



as affected by Earth's rotation. Pa- 



delletti, D. Nap. Ed. 30 (1891) 79-. 

 of variable length. Grofe, G. von. 



Dorpat Sb. 11 (1896) 176-. 

 pendulums, 2, placed end to end. Resal, 



H. A. Liouv. J. Mth. 2 (1876) 165-. 

 simultaneous, of pendulum and surrounding 



air. Poisson, S. D. [1831] Par. Mm. Ac. 



Sc. 11 (1832) 521-, 566-. 

 spherical, as affected by resistance of air and 



Earth's rotation. San-Roberto, P. di. [1877] 



Em. S. It. Mm. 3 (1879) No. 2, 31 pp. 

 with 2 suspension points. Bowditch, N. Am. 



Ac. Mm. 3 (1815) (pt. 2) 413-. 

 of vertical pendulum with oscillatory support. 



Burgatti, P. Em. E. Ac. Line. Ed. 9 (1900) 



(Sein. 2) 295-. 



moving in ellipse, "perihelion" displace- 

 ment. Verschaffel, A. Les Mondes 5 (1883) 

 173-. 



parabolic, i.e. heavy particle on concave side of 

 paraboloid with axis vertical. Vaplygin, S. A. 

 Mosc. S. Sc. Bll. 96 (No. 1) (1899) 32-; Fschr. 

 Mth. (1899)^46. 



, of Huygens, experiments. Ellery, R. L. J. 

 [1875] As. S. M. Not. 36 (1876) 72-. 



PERIOD. 



Leyonmark, G. A. Stockh. Ak. Hndl. 23 



(1802) 165-. 



Noel, J. N. Quetelet Cor. Mth. 3 (1827) 230-. 

 Saint-Germain, A. de. [1873] (xi) Par. S. 



Mth. Bll. 2 (1874) 54-. 

 Jelinek, V. Casopis 14 (1885) 35- ; Fschr. Ps. 



(1885) (Ab. 1) 225-. 



determination. Bender, C. A. Ps. C. 150 



(1873) 295-. 

 by coincidences with known pendulum. 



Vogel, H. C. Carl Epm. 17 (1881) 337-. 

 effect of additional weight. Lindemann, C. 



L. F. [1877] Neuch. S. Sc. Bll. 11 (1879) 



20-. 

 . Leman, A. Cztg. Opt. 9 (1888) 



241-. 

 atmospheric pressure. St.-Loup, L. C. 



E. 92 (1881) 1490. 

 earthquakes. Schiotz, 0. E. Christiania 



Skr. (Mth.-Nt. Kl.) (1894) A 7 o. 2, 42 pp. 

 flexure. Lorenzoni, G. [1896-97] Yen. 



I. At. (1895-96) 466- ; (1897-98) 61-. 

 suspending spring. Laugier, P. A. E. 



C. E. 21 (1845) 117-. 

 . Isely, M. Neuch. Bll. 5 (1859- 



61)648-. 

 elementary proof. Matthes, C. J. Arch. Mth. 



Ps. 49 (1869) 358-. 

 . Volkov, V. (xn) Es. Ps.-C. S. J. 15 



(Ps., Pt. 1) (1883) 16-; (xi) A. Ps. C. Beibl. 



7 (1883) 641-. 

 equal, parallel axes for. Zetzsche, E. Z. Mth. 



Ps. l (1871) 445-. 

 of Gauss's bifilar pendulum. Heun, K. Gott. 



Nr. (1891) 154-. 

 Gauss's formula. Grunert, J. A. Grunert 



Arch. 37 (1861) 360-. 



. Wittstein, T. As. Nr. 58 (1862) 135-. 



nearly equal, of 2 pendulums, comparison. 



Bigourdan, G. C. E. 124 (1897) 279-. 

 , , by electric method. Lipp- 

 mann, G. C. E. 124 (1897) 125-. 

 regulation, new methods. Prony, R. de. Con. 



des Temps (1817) 229- ; (1820) 402-. 

 of simple and of compound pendulum . Dienger , 



J. Grunert Arch. 26 (1851) 477-. 



pendulum. Kulik, J. P. Baumgartner 



^Z. 1 (1826) 337-. 

 . Weingarten, J. Grunert Arch. 25 



(1855) 367-. 

 . Gretschel, H. Arch. Mth. Ps. 51 



(1870) 1-. 

 for circular arc. L., J. W. Ph. Mg. 



4 (1828) 338-. 



with perpetual motion. Anon, (vi 313) Crelle 



J. 41 (1851) 217-. 

 problem. Pratt, J. H. Medley I. Eng. 5 



(1868) 218-. 

 proof of T=icjllg. Jacquin, E. (vm) A. 



Cond. Pon. Chauss. 5 (1861) 68-. 

 reduction to infinitely small vibrations. Op- 



polzer, T. von. [1882] Wien Ak. Sb. 86 



(1883) (Ab. 2) 713-. 

 vacuum. Challis, J. Ph. Mg. 3 (1833) 



185-. 

 at rest, demonstration of Earth's rotation. 



Boillot, A. C. E. 106 (1888) 1664-. 

 , (Boillot). Keller, F. Km. 



E. Ac. Line. Ed. 5 (1889) (Sem. 1) 660-. 

 reversible. Gompertz, B. As. S. M. Not. 1 



(1827-30) 129-. 



. Bessel, F. W. As. Nr. 30 (1850) 1-. 

 . Collet, . Isere S. Bll. 25 (1887) 241-. 

 . De/orges, . Par. S. Ps. 86. (1888) 80-. 



142 



