0809 Escapements 



Measurement of Time 0809 



Escapement, electromagnetic, Tiede's. Forster, Physical experiments, time measurements in. 



W. Carl Epm. 3 (1867) 271-. Aldini, G. Bologna Mm. I. It. 1 (pte. 2) 



, free, with double wheel. Jiirgensen, U. (1806) 487-. 



As. Nr. 1 (1823) 209-, 233-. Kotation time, absolute measurement. Prytz,K. 



, , and free pendulum. Appel, D. Z. A. Ps. C. 43 (1891) 638-. 



Instk. 12 (1892) 19-, 165. 



, , (Appel). Westphal, A. Z. 



Instk. 12 (1892) 164-. 



with free pendulum. Witherspoon, A. 

 Edinb. N. Ph. J. 20 (1836) 303-. 



. Riefler, S. As. Nr. 134 (1894) 



217- ; Z. Instk. 14 (1894) 346-. 

 , free, with reduced friction. Jttrgensen, U. 



[1822] As. Nr. 1 (1823) 155-. 

 , gravity-, clocks with. Cinquemani, G. 



Em. N. Line. Mm. 3 (1888) 91-. 

 , , detached. Young, G. A. Spet. It. 



Mm. 6 (1877) (App.) 73-. 



of Hipp chronograph, and measurement 

 of small intervals of time. Briggs, R. 

 Franklin I. J. 73 (1877) 89-. 



, new pendulum-. Leman, . As. & Asps. 

 12 (1893) 882-. 



for standard clock. Appel, D. Z. Instk. 7 

 (1887) 29-. 



Escapements. Reid, T. Nicholson J. 5 (1802) 



55-. 

 -. Veladini, G. Mil. G. I. Lomb. 7 (1846) 



127-. 

 , chronometer-. Rodanet, A. H. Cg. Int. 



Chron. (1900) 34-. 

 , , classification. Ditisheim, P. Cg. Int. 



Chron. (1900) 40-. 

 , clock-. Wagner, J. Par. Bll. S. Encour. 



46 (1847) 3-. 

 , . Denison, E. B. [1848] Camb. Ph. S. 



T. 8 (1849) 633-. 



, . Fulton, J. Silliman J. 11 (1851) 406-. 

 , . Bloxam, J. M. [1853] As. S. Mm. 22 



(1854) 103- ; 27 (1859)61-. 

 , compensations, etc., of clocks and chrono- 

 meters, modern. Antoine, E. Cg. Int. 



Chron. (1889) 43-. 

 Globe time-piece. Allison, B. Philad. T. 5 



(1802) 82-. 

 History of time-measurement. Golfarelli, I. 



Firenze Ac. Georg. At. 21 (1898) 287-. 

 Horoscope, Eble's, theory (movable sundial). 



Radau, R. Les Mondes 8 (1865) 588-. 

 Metronomes, construction. Bruno, F. F. de. 



Moigno Cosmos 7 (1855) 363-. 

 Pendulum, electric motor. Higgs, R. W. H. P. 



[1876] Nt. 15 (1877) 98. 

 , precision-, Neuchatel Observatory. 



Favarger, A. Lum. Elect. 20 (1886) 206-. 

 , regulator for. Bourbouze, . C. K. 83 



(1876) 482-. 

 , free, as time standard. Mendenhall, T. C. 



Am. J. Sc. 43 (1892) 85-. 

 , Helmholtz, modification. Kleiner, A. Arch. 



Sc. Ps. Nt. 8 (1899) 375-. 

 Phenomena of the time-infinitesimal. Nichols, 



E. L. Am. As. P. (1893) 57-. 

 Phonic wheel for regulating synchronism of 



motion. La Cour, P. C. K. 87 (1878) 



499-; (xn) Sk. Nt. Mot. F. (1880) 133-: Tel. 



J. 21 (1887) 331-, 359-, 529. 



of axis and vibration time of tuning 

 fork, ratio. Prytz, K. A. Ps. C. 43 (1891) 

 652-. 



, and periodic time of tuning fork, 

 measurement. Jones, J. V. L. Ps. S. P. 

 10 (1890) 97-; Ph. Mg. 27 (1889) 349-. 



Small intervals, measurement. Pouillet,C. S. M. 



C. B. 19 (1844) 1384-. 

 , . Tygna, E. Bio Obs. Bv. (1886) 



105-. 

 , , apparatus. Aldini, G. Bb. Un. 51 



(1832) 77-. 

 , , . Hankel, W. G. Leip. B. 18 



(1866) 46-. 

 , , . Gieseler, E. Bonn Niedr. Gs. 



Sb. (1875) 304-. 



, ; duration of electroscopic double 

 refraction and magnetic rotation. Abraham, 

 H., & Lemoine, J. Par. S. Ps. 86. (1899) 

 155- ; A. C. 20 (1900) 264-. 



, , electrical. Sabine, R. Ph. Mg. 1 



(1876) 337-. 

 , , photographic. Stein, S. T. Wien 



Pht. Cor. 14 (1877) 183-, 277-. 

 , , . Mareschal, G. Gen. Civ. 20 



(1891-92) 152-. 

 , , . Lavergne, G. Gen. Civ. 21 



(1892) 381- . 

 Sundial, azimuthal. Decante, . Bv. Mar. 



et Col. 46 (1875) 222-. 

 , cylindrical, Macon. Mayette, . Macon 



Ac. A. 5 (1885)401-. 

 , horizontal. Donovan, M. Ir. Ac. P. 7 



(1858) 111-. 

 , elliptic, Dijon, 1827. Perret, A. N. A. 



Mth. 15 (1856) 399-. 

 , , , . Dumay, . [1899] Dijon 



Ac. Sc. Mm. 7 (1901) xix-. 

 , new. Decohorne, . C. B. 113 (1891) 



481. 

 , portable. Viala, E. Mntp. Ac. Sc. Mm. 5 



(1861-63) 155-. 

 , (Sonnenring). Karsten, G. [1893] SchL- 



Holst. Nt. Vr. Schr. 10 (1895) 66-. 

 , universal, Sharp's. Robinson, T. R. B. A. 



Bp. (1849) (pt. 2) 34. 

 Sundials. Littrow, J. J. von. Baumgartner 



Z. 9 (1831) 148-. 

 , adjustment. Patterson, R. [1817] Am. 



Ph. S. T. 1 (1818) 333-. 

 , construction. Francccur, L. B. Gergonne 



A. Mth. 8 (1817-18) 233-; 9 (1818-19) 



91- 

 , , graphical. Kahrer, G. Wien Jbr. 



Ober-Eealsch. Inn. Stadt 5 (1863) 1-. 

 , , new method. Servier, . Ev. Sc. 



49 (1892) 366-. 

 , globes for. Avit, . Le Puy A. S. Ag. 



(1827) 189-. 

 Telechronometer. lingerer, . Cg. Int. Chron. 



(1889) 189-. 

 Telephonic time - transmitter. Harrington, 



M. W. Science 1 (*1883) 302-. 



108 



