Alphabetical Name and Subject-matter Index. 



1119 



Page 



Pressure critical 601 



diminution cools gas . . . 591 



- drop in tubes 334 



- flask. Schneider's 366 



- gauges 368, 369 



- gauge for valve regulation . 610 

 - governor 624 



- increase coefficient .... 575 

 increases downwards 338, 339, XV 



- level 368, 419 



- of the air 403 



- propagation 335 



- of gases 368 



- regulator 426 



- terminals 865, 866 



- tubes for piezometers . . . 359 



- tube with piston and plugs 335 

 PriniM- v conductor after Zehnder 1042 



Prism apparatus 502 



Prismatic rule 221 



- troughs 516 



Prism, disc and cylinder of card- 

 board 474 



- double refracting 560, 565, 566 



- for carbon disulphide . . . 501 



- for stability 275 



- of glass 499, 500 



- of rock salt 646 



- oscillating 285 



- reflecting 475 



- stands 500 



systems . . ' 502, 503 



with cut in the form of a vase 494 



with its hollow mould . . . 312 



Producing ice by evaporation . 607 

 Progression, continuous, of tones 



439, 445 

 Projectile apparatus . . . .262 264 



- diagraph 264 



- parabola 263, 264 



- path 258 



- pistol 263 



Projection-anorthoscope .... 526 



- apparatus and accessories: 



see vol. I. 



- cell 846 



- chromoscope 529 



- device for Foucault's pen- 



dulum 298 



- grade scale for aluminium 



electrometer 802, 812 



Ualcidoscope 476 



lens for interference images 490 



- microscope 560 



See also vol. I. 



- moving coil galvanometer . 886 



- oculars 892 



- polarisation apparatus . 552, 553 



- screen with stand 465 



screens : see vol. I, also vol. II 



p. III. 



stroboscope 526 



- theory of mechanics. . . . 260 



- thermometers 577 



- voltameter !(41 



- water dilatometer 572 



- wave machines . . . . 41"), 41(1 

 Pro .>. Cation of heat . . . .638 648 



- of light 465 474 



- of pressure :)34 



- of pressure in liquids . . . 335 



- of pressure of gases .... 368 



- of sound .... 405, 418. 41il 

 Propeller 409 



- of airship 357 



Properties of gases 365 



Protecting case for critical tem- 

 perature apparatus . . . .612 



- for galvanometer . . . 883 

 for phototelegraphic 

 apparatus . . 933 



Page 

 Protecting case for quadrant 



electrometers 842 



screen for observing melting 



process 939 



Protractor on stand .... 229, 493 



Pseudoscopic vision 524 



Psychrograph 655 



Psychrometer 654 656 



tables 655 



Puccianti, Apparatus for repelling 



air bubbles 838 



Pulley blocks 266 



Pulley drive 328 



Pulleys 265 



- on cramps 266 



- precision 270 



Pulse hammer 606 



Puluj, Fall tube 405 



- Lamp 1021 



- Mechanical equivalent of 



heat 285, 286, 627 



- Radiant electrode matter . 1020 

 Pulverising dishes 215 



- tube of glass 408 



Pump-models 383 385 



Pumps, air, 386 399, see also 



vol. I. 



Punctiform limelight 473 



Pycnometer 250, 349 



Pyramidal rectangular prism . . 503 



Pyrheliometer 652 



Pyro-electric apparatus .... 838 

 Pyrometer 584587 



- calorimetric 587 



- for expansion experiments 



568, 569 



(Le Chatelier's), electric . . 584 



- optical, after Wanner . . . 587 



Pyrometric cones 587 



Pyrophone 430 



Pythagorean theorem 1064 



Q 



Quadrant 483 



- electrometer . . 828, 841 843 

 Quadrants for weighing patterns 



of yarn, paper etc., see 



special list. 



Quadrilateral crank gear . . . .314 

 Quadruple inclined plane . . . 257 



- quartz plate 566 



Quantity and velocity of outflow 351 

 Quarter wave gypsum and mica 



plates 565 



Quartz fibre electrometer . . .841 



- fibres 843, 883 



- lenses 519, 566, 1053 



- plate, right and left rotating 560 

 plates 646 



- preparations 566 



Quick-break lever switches. . . 866 

 Quincke, Oscillations, stroboscopic 



demonstration .... 283, 417 



- Sound interference tube . .461 



- Stroboscopic cylinder . 283, 417 



- Velocity of sound 434 



R 



Rabe, Turbine for Parr calori- 

 meter 623 



Rabs, Burner 208 



Rack and pinion 319 



- motion, guided plate with 



groove 324 



- with spur wheel motion. . 320 



Radial turbines 357 



Radiant heat experiments (with 



Looser's thermoscope) . . 591 



- matter experiments . 1018 1022 



Page 

 Radiation calorimeters 620 



thermal 639 



tube 642 



thermometer 651 



Radiator, Righi's 1052 



Radioactive preparations . . . 1027 



Radioactivity 10261029 



Radiometer, electric . . 1020, 1021 



Radiometers 649 



Radiophone 649 



Radiophonic apparatus .... 649 

 Radio-telegraphy . . . .1046 1053 

 Radium bromide 1026 



- cell 1026 



Radius of curvature 498 



Ragona Scina, Contrasted colours 527 

 Rail apparatus (Roller's) . 253, 258 

 Rails for inserting in floor of lec- 

 ture room: see vol. I. 



Railway, centrifugal 276 



- electric 998 



Rainbow, explanation 488 



Rainbow generating 503 



Rain gauges 656, 657 



Raising the sluices 358 



Ram hydraulic 353, 354 



Ramsden, Dynameter for tele- 

 scopes 543 



- Electric machine . . . . . 816 

 Rapid balance, German . . . .241 



Rapidfolien 1074 



Rapidly annealed glasses 490, 560, 564 



Ratchet gears 326 



Ratio of velocity of light in air, 



water and glass 465 



Rays of electric power . . . .1039 

 Reaction apparatus .... 352, 353 



- cannon 262 



- float 352 



- pressure 352, 353 



- vessel for Parr calorimeter. 623 



- wheel . . . 353, 404, 407, XV 



- wheel, acoustic 464 



- wheel for steam 603 



Reading devices for mirror in- 

 struments 893 896 



- device for thermometer . . 227 



glass 250 



- machines for diagrams. 249, 250 



- microscope 226 



- for dividing engine . . 227 



- telescopes 225, 890 



- telescopes for electrometer . 1029 



- telescopes for mirror instru- 



ments 893 896 



Reagent stands with reagent 



bottles 219 



Reagents for spectrum experi- 

 ments 617 



Rebenstorff, Aluminium dish. . 602 



- Base for measuring glasses. 217 



- Capillary ascension . . . .361 



- Conservation of sound . . 419 



- Colour thermoscope .... 600 

 Compensated water dilato- 



meter 572 



- Displacing -apparatus . . . 345 



- Drawn brass tube ."><;<> 



- Experiments with air balloons 367 



- Heat supply for radiant heat 649 



- Influence of direction of 



grain on thermal conduction 



639, 640 



- Metallic bodies for deter- 



mining specific heat and 

 proving Dulong and Petit's 

 law 617 



- Parabolic and cylindrical mir- 



ror 476, 642 



- Radiation tube 642 



- Radiometer 649 



Sensitive flames ... .419 



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



