292 



INDEX TO VOLUME II. 



Retort stands, 71 



Retort with cup and stop-cock, 

 106 



Revolving cylinders, 27 



Revolving electro-magnet, 30 



Revolving magnet, 23 



Revolving wheel and armatures, 

 28 



Ribbon coils, 41 



Ring and ball experiment, 94 



Rotary magnetic machine, 44 



Rules for observing the barome- 

 ter, 118 



Saussure's hygrometer, 130 



Saxtou's magneto-electric ma- 

 chine, 55 



Scintillating circle, 36 



Scripture history sliders, 220 



Set of philosophical instruments, 

 for $50, 272 



Set of philosophical instruments, 

 for $150, 273 



Set of philosophical instruments, 

 for $600, 275 



Belenite designs, 197 



Self-registering thermometers, 

 113 



Ship telescope, 178 



Silver mouth conductor, 54 



Single or compound microscopes, 

 225227 



Sliders of costumes, 220 



Solar microscope, 239 



Spatulas, 71 



Spectacles, 149 



Spectacle cases, 157 



Spirit lamp, 71 



Stanhope lens, 172 



Star plate, 9 



Steam boiler 96 



Still, worm and tub, 99 



Stone-ware furnace, 73 



Stone-ware retort, 62 



Stop-cocks, 76 



Stoppered bell glasses, 60 



Storm glass, 127 



Sugar boilers' thermometer. 114 



Telescopes, 176 

 Test glasses, 64 

 Test tubes, 67 

 Thermo-electric circuit, 40 

 Thermo-magnetic rectangles, 40 

 Thermometers, 110 

 Three-necked bottles. 104 

 Tourmaline plates, 195 

 Tourmaline polariscope, 196 

 Troughton's barometer, 124 

 Tube and flask holder, 102 

 Tube of safety, 67 

 Tubulated receiver, 63 

 Tubulated retort, 61 



Unannealed glass a double re- 

 fractor, 201 



Unequal expansion of fluids, 93 



Universal single pocket micro- 

 scope, 223 



Ure's eudiometer, 100 



Vegetable infusions, 254 

 Vibrating magic circle, 24 

 Vibrating magnetic instrument. 



47 

 Videscope, 164 



Watchmaker's eye-glass, 170 



Wheel barometer, 125 



Wire revolving round a magnet, 



22 

 Wollaston's steam apparatus, 97 



