Part 145

=Stable=, underground (illus.), 158

=Stars=, counted in photograph, 223 do they shoot down? 255 how counted, 241 how many there are, 223 photographed, 223 what makes them twinkle, 38

=Steamship=, beginning of (illus.), 337 cross-section, 346 building of a (illus.), 337 cradle of a, 338 double bottom, 339 end to end section, 346-347 funnel (illus.), 345 gantry (illus.), 338 hull (illus.), 341 hull before launching (illus.), 340 inside of (illus.), 346-347 launching of a (illus.), 340 launching machinery (illus.), 341 ready to launch (illus.), 340 plates (illus.), 339 ribs (illus.), 338 skeleton (illus.), 339 turbine, weight of, 344 turbine (illus.), 344

=Steel pen=, how made, 16

=Steel rail making=, blast furnace (illus.), 234 Blooming mill and engine (illus.), 237 dump buggy, 237 crane, carrying ingot (illus.), 236 ingot, 237 ingot becomes a rail (illus.), 238 mixer (illus.), 234 molten steel being poured into ladle (illus.), 236 open-hearth furnace (illus.), 235 furnace, pouring sides of an open hearth (illus.), 235 iron, purification of, 235 soaking pit (illus.), 236 furnace, temperature in, 235

=Stick=, why it bends in water, 38 making a fire with, 42

=Stockings=, where it goes when the hole comes, 64

=Stone-throwing=, 41

=Stones=, where they come from, 494

=Story= in an automobile, 181 in a loaf of bread, 460 in a book, 561 in a building foundation, 496 in a cablegram, 428 in a barrel of cement, 95 in a stick of chocolate, 388 in a suit of clothes, 80 in a lump of coal, 257 in a bale of cotton, 470 of a cup and saucer, 404 of the deep sea diver, 203 in an electric light, 305 in an elevator, 395 in a finger print, 520 in a flying machine, 126 in a gas jet, 303 in a gun, 40 in a honey bee, 526 in a magnet (illus.), 326 in a lead pencil, 466 in lighting a fire, 289 in a lock, 491 in a can of paint, 224 in a pen, 11 in a piano, 478 in a photograph, 22 in “Pigs is Pigs” (illus.), 374 in a pipe and cigar, 512 in a railroad engine, 440 in a coil of rope, 353 in a ball of rubber (illus.), 378 in a rug, 167 in a pair of shoes, 541 in a steel rail (illus.), 234 in a submarine boat (illus.), 269 in a lump of sugar, 145 in a telegram, 412 in the telephone, 65 in a time piece, 313 in a tunnel, 208 in a drink of water, 501 in a window pane, 246 in the wireless, 455 in a yard of silk, 109 in a piece of leather, 538

=Stringed instruments=, the first, 480 discovery of, 479

=Stretching=, why do we, 192 what happens when we, 193

=Stylus=, iron, 13 the in writing (illus.), 11

=Submarine=, accidents and their causes, 278 air and how it may become poisonous, 278 buoyancy of, 270 “Bushnell’s Turtle,” 280 cargo, recovering of, 285 clearing a channel of buoyant mines (illus.), 283 development of, 280-281 divers’ compartment, 270 equilibrium, 270 explosions, 278 first practical (illus.), 271 gas, explosion of, 278 “G-1” (illus.), 272 Holland, 282 how we look through a periscope (illus.), 276 hydroplanes on, 270 hydroplane, 282 ice, under (illus.), 279 inside of a (illus.), 272 lens, of periscope (illus.), 276 living quarters (illus.), 285 mice on, 278 mine planting inside of (illus.), 277 Omniscope, 271 one of the first practical, 271 “Proctor,” first practical, 271 “Proctor” submerged (illus.), 271 periscope top of (illus.), 276 rudder, horizontal, 270 sailing close to surface (illus.), 273 seeing in all directions at once, 276 Simon Lake, American inventor of, 282 steadiness of (illus.), 273 under the ice (illus.), 279 submergence, 270 water pressure on, 270 who made the first, 280

=Submarine boat=, “Argonaut the First” (illus.), 269-282 “Argonaut Junior” (illus.), 269-282 who made the first, 280

=Submarine mines=, amount of powder used, 34

=Sugar=, carbonatation station (illus.), 150 chemical laboratory in factory (illus.), 149 circular diffusion battery in factory (illus.) 149 filter presses (illus.), 150 how taken from beets, 150 sulphur station (illus.), 150 washing the beets, 149

=Sugar factory=, carbonatation station (illus.), 150 chemical laboratory in (illus.), 149 circular diffusion battery (illus.), 149 filter presses (illus.), 150 sulphur station (illus.), 150

=Suit=, cost of wool in a, 83

=Sulphite of soda=, used in developing, 23

=Sun=, distance from earth, 141 revolving on its axis, 511

=Sun-dial= (illus.), 315 in determining noon (illus.), 316 concrete (illus.), 101

=Sunlight=, effect on balance, 37

=Sunset=, cause of colors in, 253

=Swallowing=, what happens when we, 195

=Swimming=, why man must learn, 125

=Switchboard=, telephone, 69 back of a, telephone (illus.), 69 telephone, the first (illus.), 74

=Talking=, how man learned talking, 18 signs and gestures, 18