1236 



Subject Matter Index. 



Object holders 



,, ,, rotary .... 



,, micrometer 



Objectives Hartnack. . . 



various 



(Zeiss') 



Ocular, compensating 



,, for microprojection 166, 



micrometer 



,, projection 



tube 166, 



Ohm, G. S., portrait .... 



Oil purifying apparatus. . . . 



Optical bench, extended . . . 



,, outfits for megadiascope 



1220, 



,, outfits for microscope 



stand of megadiascope 



,, outfits for projection 



lanterns 



s t w a 1 d, W., portrait . . . 

 Outfit for interference and dif- 

 fraction 



,, for microprojection with 



epidiascope 



Overflow pipe with waste pipe 



Oxygen, bombs for 



,, burners for lime light 

 retorts . 



Page 



1222 



1224 



1222 



1222 



1222 



166 



166 



1222 



1226 



166 



1222 



. 37 



134 



161 



1221 

 1222 



161 

 37 



1225 



166 

 19 

 173 

 172 

 174 



P a a 1 z o w, polarisation-projec- 

 tion 1222, 1224 



Pannellings for lecture theatres 



etc 83 88 



Paraffin engines 135 



Paraffin lamp for dark rooms . 81 



Parallel light 157 



Parallel vice 38 



Passage in centre of lecture table 12 



Pendulum Stands 18, 19 



Pendulum Stands, iron .... 10 

 Pharmaceutical lecture table . 68 

 Photographic enlarging appa- 

 ratus 186 



Photographic work tables ... 79 



Photometry board 80 



Physical Apparatus for projec- 

 tion . 156, 182, 190 192, 1207 

 Pipe lines for gas engine plants 138 

 Pipelines for internal combustion 



engines 135 



Plane mirror with adjustment. 36 

 Plans of class rooms . . . . 3, 5, 7 

 Plant preserving boxes . .' . . 82 

 Pneumatic troughs on lecture 



tables ... 11, 12, 14 

 ,, troughs with stand 65 

 Polarisation apparatus for ob- 

 jective demonstra- 

 tion 186 



,, projection apparatus 



1223, 1224 



Porcelain dampers 52 



,, tiles on lecture tables 16 

 Portable experimental switch- 

 boards 107 125 



lecture tables . 16, 59, 76 

 ,, projection table ... 77 

 ,, stink cupboard ... 77 

 ,, wood stand for expt. 



switchboards .... 119 

 Portraits and busts of famous 



chemists, physicists etc. . 36, 37 

 Power gas (gasoline) generators 133 



Page 

 Preparation cupboards . . . 43 46 



glasses 184 



,, microscopical . 184, 1222 



room and workshop- 

 equipment . . . 37 42 

 ,, room equipment . 



6, 3742, 99106 



Table 37, 59 



Presses for bending glass 1224, 1225 

 Pressure and vacuum gauge for 



air pumps 26 



,, reducing valves ... 173 



Prisms, direct-vision 1223 



double-refracting . . . 1224 



fluid 1223 



for erecting images . . 1223 



(nicol) 1224 



reflecting 182 



Projection anastigmat .... 161 

 ,, apparatus and acces- 



sories . 149 192 

 ,, for cinemato- 



graphy . . 168, 

 1215, 1226 



,, ,, (megadia- 



scope) 1201 1232 

 ,, ,, on stand 



(K olbe's) 



167, 168 



,, ,, school type 160 



,, ,, with alumi- 



nium housing 



162, 163 

 ,, ,, with tilted 



lamp . 163, 164 

 arc lamps . . . 170, 171 

 by diffraction 1215, 1226 

 ,, Chromoscope (I ves') 185 

 ,, Diffraction Chromo- 

 scope 185 



,, in natural tints 



1214, 1226 



,, oculars (Zeiss'). . 166 



. of crystals . . 1211, 1223 

 ,, of diffraction pheno- 

 mena .... 1213, 1225 

 ,, of double refraction 



phenomena .... 1224 

 ,, of interference pheno- 



mena .... 1213, 1225 

 of lantern slides 156, 1206 

 ,, of microscopic pre- 



parations . . . 183, 184 

 ,, of microscopic prepa- 



rations with the mega- 

 diascope . . . 1209, 1222 

 ,, of opaque bodies. . 182 



,, of physical apparatus 



156, 182, 190, 1207 

 ,, of polarisation pheno- 

 mena . . 186, 1212, 1223 



screens 179, 



180, 1228, 1229 

 screens, electrically 



operated 180 



,, of spectrum pheno- 

 mena .... 1211, 1223 

 ,, microscope 



166, 183, 184, 1209 

 ,, microscope, acces- 

 sories ] 84 



system (Zeiss'). . 166 



,, table, portable ... 77 



Pulley screw 21 



Pumps, air 22 27 



,, plates for .... 25 



q 



Quartz plates, right and left 

 handed rotating 1224 



R 



Pag 



Rails for inserting in floor of 



lecture room 16 



Rails on portable tables ... 16 

 Ramsay, Sir W., portrait . 37 

 R a o u 1 t, F. M., portrait . . 37 

 Reagents and bottles for same 54 

 Rectifiers for D.-C. . . . 139143 

 ,, mercury vapour . . 109 



Reducing valve 173 



References as to darkening de- 

 vices with motor drive 98 

 as to equipment and 



articles of equipment 



supplied 90 93 



,, as to projection lan- 



terns and skioptica 



187188 



Reflecting prisms 182 



Regulating resistances for dy- 

 namos 147, 148 



Regulating resistances for mega- 

 scopes 1227, 1228 



Regulators, double switch contact 



125126 

 Reichenbach, K. von, 



portrait 37 



Resistances, experimental . 125 129 

 ,, for current regula- 

 tion 125129 



,, for Nernst Lamps 171 



,, for projection lamps 



12271228 



sliding, on experi- 



mental switchboards 114, 

 116, 118, 119, 120 

 Retorts for generating Oxygen 174 

 Revolving collars for objectives 



183, 1222 



,, stool 48 



Rheostats for projection appa- 

 ratus 12271228 



R i c h t e r, J. B., portrait . . 37 

 Rincing Tables .... 54, 55, 80 

 R i n k e 1's students' laboratory 



table 69 



Rock crystal for polarisation . 1225 



,, for bottles of developer etc. 80 



,, for glass tubes etc. ... 38 



R 6 n t g e n, W. K., portrait . 37 



Root's blower 42 



Rose, H., portrait, also bust 37 

 Rotary converters (see under 



Transformers) 



,, disc for epidiascope . . 165 

 Rubber hose for air pumps . . 25 

 ,, rollers (tyres) on por- 

 table tables 16 



tyres on portable tables 16 

 Ruler for blackboard 29 



Sail cloth blinds 29 32 



Sand-bath with gas burner . . 51 

 Scales for galvanometers ... 22 

 Scheele, C. W., portrait . . 37 

 Schonbein, portrait ... 37 

 Scholars' Laboratory . . 6, 47 57, 



99106 



,, work room . . 6, 47 57. 



6977 

 ,, work tables (or benches) 



47, 6974, 99105 

 School projection apparatus 160, 161 

 Screens, projection .... 179 180, 



12281229 

 Series resistances for Arc lamps 



168169 



The pages 12011232 are bound behind page 192. 



