1126 



Alphabetical Name and Subject-matter Index. 



Page 



Tonometric apparatus . . .446 451 

 Tool boards, see vol. I. 



- cupboards see vol. I. 



Tooth and worm gears . .318 326 

 Toothed gear for oscillating move- 

 ment 325 



gearing with fly-wheel . . 313 



wheel connecting and dis- 



connecting device .... 326 



- wheels, Savart's . . . 283, 420 



wheels with excentric axes 321 



- with intermediate wheel 320 

 Top 251, 291 



- apparatus 293 



- for rotating colour discs 504, 529 



- of celluloid for Bunsen cells 848 



Schlick's 292 



Topler, Demonstration apparatus 



for statics and dynamics . 267 



- Influence machine 817, 818, 1072 



Magnetic curves 962 



- Manometric flame pipe . . 428 



Photometer screen .... 472 



Pressure level .... 368, 419 



- Stroboscopic disc . . . 432, 526 

 Hagen-Neesen, Mercury 



vacuum pump 397 



Torricelli's experiment . .370 372 



- law 351 



Torsional elasticity .... 308, 309 



force model 309 



- oscillations and moment of 



inertia 290 



- strength 309 



Torsion balance 794 



- moment 270 



- pendulum 298 



Torso, model 1069 



Total and thermal energy . . . 937 

 Total free magnetism is zero. . 793 



- reflection in the water jet 352 



of light 483 499 



reflectometer 499 



Tourbillipn, electric 828 



Tourmaline plates 555 



tongs 555 



Towbridge, Tangent galvano- 

 meter 873 



Tower, leaning 274 



with lightning conductor . 835 

 T-piece for hose unions .... 207 



Trade winds 658 



Trajectory 263, 264 



Tralles, Hydrometer 346 



Transformer . . . .898,1006 1008 



- electric, see also vol. I. 



- for alternating current . . 864 



for high tension (Elster and 



Geitel's) 1031,1032 



model 991 



Transfusion 410 



Transit case for fontactoscope . 1029 



Translator pillar 959 



Transmission of motion . .313 333 



of motion by belt, cord and 



chain 328 



of power 997 999 



Transmitter for Hertzian waves 1041 

 Transparent colour discs . 504, 529 



galvanometer scale .... 880 



- projection screens, see vol. I. 



solar spectrum 518 



Transporting and hoisting ma- 

 chines (models) . . .328332 



Transverse strength apparatus . 304 



vibrations of rods .... 434 



Transverse waves 412 417 



Trap for mercury 215 



Traverser with pit 331 



Travelling and altitudinal baro- 

 meter 374 



crane 331 



Page 



Tree, Saturn's 944 



Tremery, Astatic magnetic needle 786 

 Trevelyan's Rocker .... 420, 627 



Triad apparatus 449 



Triangles of wire 210 



- on stand 274 



Triangular paper membrane . . 443 



- prismatic pipe 428 



- screw thread 313 



Tribometer 301, 302 



Trick, Slide valve: see Double inlet 



channel slide valve . . . 633 



Trieder binoculars. 540 



Tripods 210 



Tripod stand for barometer tubes 371 



for photographic appa- 

 ratus 522 



Trough cell 847 



for mercury 1009 



- for percussion experiments. 302 



for wave motions . . . .413 



- form prisms 502 



- pneumatic 216 



- pneumatic on lecture tables, 



see vol. I. 

 Trussevitch, Kundt's manometer 419 



- Reflection of sound waves. 598 

 Tube after Aron 1044 



- after Lecher 1044 



- expansion apparatus . 569, 570 



level model 335 



- receivers with metal wires . 599 



sheet iron XV 



Tubes, electrodeless 1034 



- for barometric experiments 



370, 371 



- for combustion 220 



- for demonstrating vapour 



tension 604 



fork-shaped, for interference 462 



- for liquids of different gravity 342 



- for spectrum demonstrations 515 



for total reflection .... 494 



with carbonic acid . . . .613 



- with closed pressure gauges 336 



with iodine 601 



with light and dark cross .1020 



with liquefied gases . . .613 



- with pistons 426 



- with stand for Hopkin's ex- 



periment 442 



Tubing, bent 220 



- of rubber 207 



- of rubber for air pumps. . 401 

 Tubular magnet coil 1019 



receiver 598 



- stand for photographic ca- 



meras 522 



Tun, magic 380 



Tuned pipe for Kundt's mano- 

 meter 419 



- pipe on stand 598 



Tuning fork apparatus . .452 455 



- chronograph . . . 248, 256 



see also spark chronograph 463 



fork clock 463 



curves on stand . . . 455 



exciter clamp .... 440 



forks 



435440, 456, 463, 464, 1039, XV 



- chronographic .... 455 



- for demonstrating curves 



452, 455 



for limit of audibility . 444 



for Quincke's apparatus 434 



- for resonance . . 439. 443 



- for resonance tube . . 449 



- on resonance boxes 436, 437 

 Stroboscopic 433 



with electromagnetic 

 drive 436 



- with recording device. 456 



Page 

 Tuning forks with resonators 



439, 458, 4.->!i 

 with sliding weights 



438, 439, 458 

 Turbine after Rabe 623 



- interrupter 984 



models 356, 357 



Turning cranes 331 



gear with partially toothed 



bevel wheels 326 



- moment 304 



Turntable 331 



Turret clock movement . . . .333 



Tweezers 215 



Twin flexible 1054 



Two phase alternator . . 1003, 1004 



-phase current dynamo 992 994 



motor 1002, 1003 



Tyndall. Contraction apparatus 568 



Cooling effect of gases . . 642 



Drum (light-refraction appa- 



ratus) 486 



Electrophorus 815 



Expansion of gases .... 568 



- Melting of bodies in the 



magnetic field 953 



Model geyser 631 



- Percussion trough .... 302 



Propagation of sound . . .419 



Reflection of light .... 474 



- Silver coin with pyramid 



mirror 953 



- Specific heat 616 



- Temperature change on com- 



pression and expansion of 

 gases 626 



U 



Unaxial circular polarising nii<-;i 



combination 565 



Undershot water wheel . . 355. 356 

 Unequal thermal conduction . . 639 

 Unidirected and opposed currents 968 

 Uniform and non-uniform motions 258 



- pressure in all directions . 403 

 Unipolar Induction .... 288, 976 

 Units, electromagnetic .1010 1013 



- of resistance 913 



Universal-apparatus for astrono- 

 mical geography 662 



- apparatus for the laws of 



mechanics 266 



clamp 204 



clock 662 



- coupling, double 317 



double socket 202 



dynamo 992994 



- galvanometer 885 



gas burner -i>!l 



gasometer -\-2 



hydrometer 347 



- hydrostatic apparatus . . . 334 



kaleidophone i.il 



- measuring instruments. 902, 903 



- mouthpiece 420 



- optical apparatus . . .488 493 



- pattern Wheatstone bridge 926 



- scale holder on reading tele- 



scope 894 



shunt 888, 893 



- slider 955, 956 



sliding resistance 870 



socket -'"-' 



spring balance 310 



stand 202, 968, XV 



- for spectroscopes . . . ."> I i 



for spectrum experi- 

 ments 512 



- wheel apparatus 320 



Unstable equilibrium . . . 273, 274 



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



