2820 



Mercury Air Pumps 



2820 



automatic. Jaumann, G. Z. Instk. 17 (1897) 



243-. 

 . Konig, W. Frkf. a. M. Ps. Vr. Jbr. 



(1896-97) 33-. 

 . Greiner, , (6 Friedrichs, . Cztg. Opt. 



19 (1898) 113-. 



. Lawrence, R. R. Science 9 (1899) 510-. 

 , different systems, comparison of efficiency. 



Neesen, F. Z. Instk. 15 (1895) 273-. 

 , experiments. Raps, A. A. Ps. C. 48 



(1893) 377-. 

 , hydrostatic. Babo, C. H. L. von. [1878?] 



Freiburg B. 7 (1880) 350-. 

 , regulator without tap for. Jaumann, G. 



A. Ps. C. 61 (1897) 204-. 

 , Schuller's, efficiency. Kiss, K. Mth. 



Termt. Ets. 12 (1894) 305- ; Mth. Nt. B. 



Ung. 12 (1895) 47-. 

 , simplification. Neesen, F. Z. Instk. 20 



(1900) 205-. 

 development. Thompson, S. P. Tel. J. 21 



(1887) 556-, 587-, 610-, 632-, 659-. 

 double acting, without tap. Neesen, F. A. Ps. 



C. 11 (1880) 522-. 



duplex. Wood, R. W. Ph. Mg. 41 (1896) 378-. 

 Geissler's, new form. Rock, F. Cztg. Opt. 4 



(*1883) 159-. 

 Giovenale's improvement (removal of mercury 



vapour). Egidi, G. Em. N. Line. At. 46 



(1893) 43-. 



intermittent. Prytz, K. Ts. Ps. C. 29 (1890) 



241- ; A. Ps. C. 42 (1891) 191-. 

 Kravogl's. Waltenhofen, A. von. Wien SB. 



44 (1861) (Ab. 2) 603-. 

 limit of exhaustion. Kraevlch, K. D. (xn) 



Es. Ps.-C. S. J. 13 (Ps.) (1881) [(Pt. 1)] 335-. 

 modification. Neesen, F. A. Ps. C. 3 (1878) 



608-. 

 . Pfliiger, E. Pfliig. Arch. PI. 44 (1889) 



5-. 

 . Grihant, N., & Henry, L.. d\ Par. S. 



Bl. Mm. 45 (1893) (C. R.) 534-. 

 , of Jolly's. Narr, F. A. Ps. C. 25 (1885) 



542-. 

 modifications. Guglielmo, G. Tor. Ac. Sc. 



At. 19 (*1883) 665-. 



periodic. Smith, F. J. Nt. 48 (1893) 320-. 

 in Physical Cabinet at Karlsruhe. Wucherer, 



G. F. Kastner Arch. Ntl. 5 (1825) 329-. 

 for rapid production of vacuum. Berlemont, , 



<& Jouard, . C. E. 131 (1900) 110- ; Par. 



S. Ps. Se. (1900) 194-. 

 simplifications; comparison of efficiency. 



Neesen, F. Z. Instk. 19 (1899) 147-. 

 Sprengel. Dewar, J. Edinb. E. S. P. 7 



(1872) 662-. 

 , automatic. Macaluso, D. Spet. It. Mm. 



8 (1879) (App.) 35-. 

 , . Kahlbaum, G. W. A. A. Ps. C. 53 



(1894) 199-. 



, . Donle, W. Z. Instk. 20 (1900) 78-. 

 , for filling barometers and thermometers. 



Francis, E. E. H. [1875] C. N. 33 (1876) 



68. 

 , improvement. Rood, 0. N.- Am. J. Sc. 



20 (1880) 57-. 

 , . Usagin, I. F. Es. Ps.-C. S. J. 22 



(Ps.) (1890) 229-; J. de Ps. 10 (1891) 592. 



Sprengel, inverted and worked backwards for 



raising mercury. Smith, F. J. Ph. Mg. 34 



(1892) 115-. 

 , limit of exhaustion. Donkin, W. F. C. 



N. 29 (1874) 125-. 

 , modifications. Guglielmo, G. Em. E. Ac. 



Line. Ed. 6 (1890) (Sem. 2) 153-. 

 , new form. Gimingham, C. H. [1876] E. 



S. P. 25 (1877) 396-. 



, . Muller, E. A. Ps. C. 65 (1898) 



, 476-. 



, self feeding. Wells, H. L. Am. J. Sc. 41 



(1891) 390-. 

 , for high vacua. Rood, 0. N. Am. J. Sc. 



22 (1881) 90-. 

 , working. Boas, H. D. Ps. Gs. Vh. (1900) 



246-. 

 without taps. Neesen, F. (xn) Z. Instk. 2 



(1882) 285-; 3 (1883) 245-; 9 (1889) 343-; 



A. Ps. C. 58 (1896) 415-. 



. Chabaud, . C. E. 125 (1897) 101. 



or movable joints. Henriet, H. C. E. 



125 (1897) 22-. 

 Topler, modification. Karavodine, V. J. de 



Ps. 2 (1883) 558-. 

 %-. new form. Hagen, E. B. [1880] A. Ps. 



C. 12 (1881) 425-. 

 , (Hagen). Neesen, F. A. Ps. C. 13 



(1881) 383-. 

 Topler-Hagen, modification. Sundell, A. F. 



Helsingf. Acta 14 (1885) 545-; 15 (1888) 



169-. 

 Weston. Nansouty, M. de. Gen. Civ. 7 (1885) 



with free piston. Deleuil, . C. E. 60 (1865) 



571- ; 64 (1867) 666. 

 plate, inventor. Gerland, E. A. Ps. C. 2 



(1877) 665-. 

 , new form. Terquem, A. J. de Ps. 9 (1880) 



346-. 

 pressure changes in. Golicyn, (Prince) B. B. 



St. Pet. Ac. Sc. Bll. 5 (1896) xi-; 7 (1897) 



409-. 

 of Prince and of Cuthbertson. Nicholson, W. 



Nicholson J. 1 (1797) 119-. 

 . Adet, . A. C. 25 (1798) 



126-. 

 on principle of Torricellian vacuum. Traill, 



T. S. Nicholson J. 21 (1808) 63-. 

 (same principle as Geissler's). 



Fa/champs, . A. Gen. Sc. Ps. 6 (1820) 



101-. 

 -. Kemp, K. T. Edinb. J. Nt. 



Gg. Sc. 2 (1830) 95-. 

 rotary. Schulze-Berge, F. A. Ps. C. 50 (1893) 



368-. 

 simplification of work with. Bauer, K. L. A. 



Ps. C. 20 (1883) 542-. 

 substitute for taps in vacuum experiments. 



Romilly, F. de. Par. S. Ps. Se. (1888) 



351-. 



with taps, application of Babinet's improve- 

 ment. Hessler, F. D. Nf. Vsm. B. (1843) 



229-. 



theory. Barrois, T. Lille Tr. (1826-27) 77-. 

 and construction. Feilitzsch, F. C. 0. von. 



N.-Vorp. Mt. 5 < 6 (1874) 145-. 



220 



