1118 



Alphabetical Name and Subject-matter Index. 



Page 

 Piston vacuum pumps. . .386 394 



Pitchblende 1027 



Pitch prism 1042 



Pitcher, magic 380 



Pitot, Tube for velocity of flow 354 

 Plane, inclined . 257, 258, 267, 268 



- mirror 478, 596 



- of rotation conserved . . . 292 



- parallel glass vessels . . . 528 



- parallel vessel 645 



- plate and hollow hemisphere 240 



Planet wheels 324 



Planimeter 230 



Plano-convex lens 495 



Plans of class rooms see vol. I. 



Plante, Cell 853 



Plaster models for the isochro- 



matic wave surfaces . . .563 

 Plastic vision of both eyes. . . 524 



Plasticity "... 308 



Plastoscope (anaglyphon) . . . 529 

 Plateau, Equal weight figures . 360 



- Flattening a sphere .... 360 



- Irradiation 525 



Plate condenser 811 



- glass and milk glass scales 895 



- prism 499 



- slab, sliding body and 

 balance pan for friction ex- 

 periments 268 



- hemisphere 354 



- valve 408 



Plates, capillary 364 



- for adhesion experiments . 302 



- for ionising experiments . . 986 



- for optical illusions .... 528 



- for vacuum pumps .... 400 



- of alum, borax, sugar, calc- 



spar, agate, crown and flint 

 glass, sal ammoniac . . . 646 



- of black glass, citric acid and 



mica 646 



- of brass 1033 



- of glass 220 



- of mirror glass with haft . 552 



- of paraffin 809 



- of quartz 646 



- photographic 1074 



- vibrating 442 



Platform weighing machine . . 276 

 Platinum bowl for silver volta- 

 meter 943 



- cap with Bunsen burner 643, 645 



- crucibles 218 



- dish with wire triangle . . 602 



- plate for copper voltameter 943 



- stirrer for Beckmann's app. 615 



- tetahedra 615 



- wire glow light 474 



wire netting 430 



- worked up in furnaces . . 940 

 Pliicker-Fessel, Causing an in- 



duotion current 976 



- Wave machine . . . 415, 416 

 Plug and sliding rheostat . . . 914 



- commutator 867 



Plumb bob 22!) 



- line 229 



Plunging syphon 381 



Pneumatic densimeters .... 348 



- fire syringe 626 



- trough 216 



- troughs on lecture tables: see 



\-oi: i. 



Pocket chronometer 249 



spectroscopes .... 510, 511 



- voltmeter 858 



Poggendorff, Balance 257 



- Hohnenberger's machine 282, 292 

 Polarising battery 853 



- Rheochord 912 



- Stroboscopic disc . . 287. 1017 



Pag* 



Poggendorif, Switch 853 



Pohl, Mercury switch . . 867, 1013 



Pointer galvanometer 933 



for short wave apparatus 1041 

 Poin 's action, electric .... 827 



Poison siphons 381 



Polarisation (of light) 



550556, 559, 560 

 Polarisation apparatus 285, 550 556 



- for Ilartl's disc .... 490 



for investigations on 

 minerals and foodstuffs . . 538 



- fortechnical purposes 561, 562 



battery 1000 



by magnetizing forces 



953, 955, 956 



in double refracting sub- 



stances, model 562 



outfit for spectrometer . . 505 



- polyoscope 563 



projection apparatus: see 



vol. I. 



- spectroscope 554 



tube for demonstrations . . 552 

 Polariscopes 561, 562 



- after Savart 556 



Polarised relay . . .960, 1052, 1053 

 Polariser-action 847 



and analyser after Mac6 de 



Lepinay 550 



Polarising cells and batteries . . 853 

 Pole balance 796 



- Grimsehl's 801 



magnetic 1010 



- supplementary parts .1011 



- determining cell " 1012 



- finders 858 



- finding paper 858 



- interrupters 866 



Polemoscope 475 



Polished plane mirror 878 



Polychord 441 



Polygonal pendulum 293 



Polymeter, Lambrecht's .... 653 



Polyoscope 563 



Polyprism 500 



Grimsehl's 494 



Polytrope 292 



Poncelet, Dynamometer (spring 



balance) ....'.... 310 



Wheel 356 



Ponderomotive effect 1012 



Porcelain crucibles 217 j 



- dishes 217 



- rod and ebonite rod . . . 810 



Porosity of solids 403 



Porous bodies 364 



- partition walls 410 



Porro, Mirror arrangement . . . 475 



Prism combination .... 503 

 Portable apparatus for wireless 



telegraphy 1048 



- bridge 927 



- electric measuring instru- 



ments ...... .908 911 



electrometer 801 



j electroscope 1028 



- experimental switchboards. 



Bee vol. I. 



gallows 2ix; 



- indicator for resistance ther- 



mometers 586 



- iron table for photometer 



bench 470 



- lecture tables: see vol. I. 



- moving coil galvanometer 



SM. ss.-, 



resistance testing set . . . 112(1 



stand for steel cylinders . . 609 



- stink-cupboards; see vol. I. 



Pol trait sand busts of famous chemists. 

 physicists etc., see vol. I. 



Pg 



Position of nodes of a horse-hair 442 

 Poske, Compensated water dilato- 



meter f>72 



- Tangent galvanometer . . . sTI 

 Potassium bichromate *.">:; 



cell Ki2i> 



Potential difference and potential 



drop 803, 826, 839 



Potential drop in the neighbour- 

 hood of a conductor . . . 810 



electric 809, 810 



Potentiometer !I27 



Pouillet, Compression apparatus 4 117 



Pyrheliometer i>;>2 



Sine and tangent galvano- 



meter 873 



Thermocouple 1061 



Poulsen, Telephonograph . . . .lor, 7 

 Powder electroscopic Iu2."> 



jars 2IS 



- spray 443 



Power, carrying, of a magnet . 788 



gas (gasoline) generators: see 

 vol. I. 



shunt 893 



tickle 266, 271 



- transmission 997 999 



Prandtl, Angular changes at the 



edges of a body by shearing 

 stresses 307 



Rotating disc and weighted 



bar 290 



Precession, equinoctial .... 661 

 Precious stone copies . '. 1066, 10117 

 Precision balances . . . .233 2.'iti 



bridges 924, 925 



capillary electrometer . . . 946 



compass 792, 911 



condensers 933, !K!4 



hot wire ammeter . . . . !)lo 



- instruments iioii 



- instruments, dead beat 908, 909 



milliammeters 908 



moving coil galvanometer . ssf> 



- pulleys 270 



rheostats .... 921, 922, 930 



- spectrometer 505 



stopcock 2o7 



- telephone 1054, lo.y.i 



weights 241 244 



work stand 202 



Preface Ill 



Preliminary pumps . 390, 394, 399 

 Preparation cupboards: see vol. I. 



- cylinders 217 



- room and Workshop equip- 



ment: see vol. I. 



stand (microscope) .... 5. '17 



table: see vol. I. 

 Preparations for polarisation phe- 

 nomena . . 553, 554, 564 566 



- for spectrum experiments . 517 



- of quartz 5tl(i 



- pressed and impressed . 312. ."idii 



radioactive 1026, 11127 



Presbyopia 523 



Pi-ess contact with terminals . SliT 



- for rale-spar doublets . . . 312 



- for corks 2111 



for glass :.:>!. 5H-I 



for liquel'vinu nascs .... tins 



- for mercury 215. :f!i c .' 



- for pa~t illes lil."> 



for producing sliding sur- 

 faces . . .Mill 



hydraulic. . 337, 338, 334, XV 



- with port rail pattern . . . 826 



and impressed prepara- 

 tions 312, 566 



change 419 



- in bent or constricted 

 tubes 354 



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



