A'phabetical Name and Sulrect-ma'ter Index. 



1127 



Page 

 Uppenborn, Diffusion of liquids 364 



- Induction apparatus for resis- 



tance determinations of 



electrolytes 928 



I'ranite plate 517 



Uranium cube 518 



- glass plate 518 



- metal 1027 



- pitchblende 1027 



Uranotrope 661 



Urinary organs 1069 



U-shaped absorption-box . . . 516 

 U-shaped decomposing cell 943, 944 

 U-shaped glass tube for electro- 

 lysis 973 



I' -shaped tube for heating of 



mercury 937 



U-tubes 220 



U-tubes for oscillations of liquids 298 

 Uviol mercury vapour lamp . .1026 



Vacuum bulb 1016 



bulb with butterfly . . . .1021 



- double bulb 1022 



gauges 368370 



- pumps 386399 



Kohl's system 



390394, 398, 399 



- piston pumps . . . 386394 



- scale 1016 



-siphon 360, 361 



tube 1016, 1036 



- tube after Perrin 1026 



- illumination 1025 



- with diamonds .... 1022 



- with minerals etc. 1021, 1022 



- with piece of metal sjieet!022 



- with stratified light. .1025 



- vibrator 1025 



Valenta and Eder, Continuous va- 

 pour spectra 512 



Valve models 408, 409 



- tube 1021, 1024 



- as audion 1052 



Vanderfliet, Flexible wire netting 811 



Vane water meter 355 



Vaporiser as aspirator .... 598 

 Vapour and gas condensation 



(experiments with Looser's 

 thermoscope) 592 



- apparatus for sal-ammoniac 465 



- densities 613, 614 



- in an air-filled space . . .601 



Vapourisation heat 621 



Vapours mixed with gases . . 604 



- spectra, continuous . . . .512 



- tension 602 



Variable angle prism 502 



- self-induction 1037 



tuning forks . . 438, 439, 458 



Variator of tones 446 



Various materials for general pur- 

 poses 220 



Varying magnitude of inclination 790 

 Vater, Model of steam cylinder 



with different slide valves 633 

 Velocity and quantity of outflow 



350, 351, 353 



- angular 290 



- of flow 354, 355 



- of ions' migration . . 944, 946 



- of light 465, 491 



- of sound 434 



Ventilator model 282 



Vernier-caliper 223 



- model, circular .... 228, 229 



- linear 221 



Versed sine motion . .318 



Page 

 Vertical arrangement of sliding 



resistances 1073 



galvanometer 874, 875 



see dead beat universal 

 instrument 902 



galvanoscopes 875 



- rules 222, 223 



Vessel for conductivity measuring 930 



- for dialysis 365 



- for light-absorbing liquids . 516 



- for preserving ice blocks . 214 



of 1 cubic inch 230 



Vestal sieve 380 



Vibrating air columns .... 426 



- bars 433440 



strings, plates, bells .440 443 

 Vibrations analyzed 300 



and oscillations: see Strobo- 



scopic cylinder. . . . 283,417 

 Vibration curves 451 455 



harmonic 298, 299 



- microscope 457, 458 



see also tuning fork 

 clock 463 



of an air column 433 



of liquid films 443 



of sounds 415, 417 



- planes of the light .... 563 

 Vibrator after Weinhold . . .1041 



Vibrographs 456 



Vice, parallel see vol. I. 



View of factury V 



Views, stereoscopic 524 



Violet glass plate 519 



Violle, Actinometer 651 



Pair of bulbs 651 



Viscosity test pieces 311 



Vogel, Float apparatus .... 344 



- Pocket spectroscope . . .511 



see also Polarisation appa- 

 ratus 554 



- Spark tube (fulgurator) . . 514 



- Star spectra table 518 



Volkmann, Rope wave apparatus 414 

 Volta's Pair of plates 839 



- Pile 840 



Voltage coils, additional . . , 903 

 Voltaic cell ; 845 



- electricity 839 949 



Voltameters 940 943 



Voltmeters 901 911 



Volume gauges for oxygen flasks 



see vol. I. 



- measuring . . . 216, 217. 230 



of gases determined . . . 346 



Volumnometer 380 



Vowel apparatus 459, 460 



V-shaped glass tube 944 



W 



Walferdin, Metastatic thermo- 

 meter 578 



Wall bracket and wall arm . . 842 

 - for galvanometer . . . 883 



crane 331 



v. Waltenhoien, Pendulum 



952, 955, 956, 976 



- Magnetic saturation .... 957 

 Walter's Picein 



Wanka, Top apparatus .... 293 



Watch glasses 217 



glass clamps 217 



Water air pump see vol. I. 



- for preliminary ex- 

 hausting 399 



- bath 210 



- battery 809, 841 



behaviour on freezing or boil- 



ing 574 



Page 



Water box for protecting the sele- 

 nium cell 1059 



calorimeter 618 



- chamber (optical eye) . . . 523 



circulation 573, 574 



- decomposing apparatus 940942 



dilatometer 572 



-drawing wheel, discharging 



357, 358 



- expansion, absolute .... 594 



freezing of 574 



gauge 658 



hammer 605, 606 



influence machine . . . .816 



jet blowers see vol. I. 



- is composed of drops. . 351 



- projectile apparatus . . 264 



- lead mouthpiece 354 



meters 354, 355 



motor 357 



- pyrometer (Siemens') . . . 587 



screw, Archimedian .... 357 



siren 421 



- tap 207 



thermometer 577 



trap for Weinhold's calori- 



meter 618 



- trough for Paalzow optical 



bench 557 



- vapour tension 602 



vapour, working action . .631 



vessels, communicating . . 814 



wheels 355, 356 



Watt, Ball governor . . . 281, 637 



Low pressure engine . 634, 636 



Parallelogram 316 



- Pendulum 281 



Planet wheels 324 



Regnault, Tension of water 



vapour 604 



Wattmeter for demonstration . 905 

 Wave apparatus . . 411417, XV 



- detectors (coherers) . 1051, 1052 



Hertzian 10391045 



- length determining . . 544, 548 



- spectrometer 506 



- machines .... 411 417, XV 



-meter 1044, 1045 



motions 411 417 



- siren 423 



disc 283, 420 



transmitter for Hertzian 



waves 1041 



trough 413 



tube 336 



Waves, stationary. . . .1043, 1044 

 Wax cylinders for phonographs. 461 

 Waxed wire for house telegraph 961 



Weather telegraph 654 



Weber, Compass 793 



- Free vibrating steam pipe. 429 



Light-angle-measurer . . . 465 



Magnetometer 794 



Photometer 469 



Trough for wave motions. . 413 



- Unipolar induction . . . .976 

 Wedge 313 



- apparatus 272 



compensator 556, 560 



friction wheels 327 



- of gypsum 564 



Wedges, of wood 206 



Wedge-shape air plates .... 544 

 Wedgwood, Pyrometer .... 587 

 Wehnelt, Interrupter 982, 1010, XV 



- Oscillograph 900 



Valve tubes 1024 



Starke, Electrolytic inter- 

 rupter 928 



Weighing machines, models . . 276 



pan for demonstration ba- 



lance . . . 240 



See also the Subject-matter Index in vol. I. 



