Part 129

=Bow=, long (illus.), 42

=Bow-and-Arrow=, invention of, 43

=Boxes=, match, how made, 294

=Brazil, Emperor of=, receives first words over telephone, 74

=Bread=, how flour is made, 462 difference in Graham and whole wheat, 461 grinding wheat (illus.), 464 harvesting wheat, 460 loaves of world (illus.), 459 origin and meaning of, 460 purifying machine (illus.), 463 separating fibre germs (illus.), 463 wheat conditioning (illus.), 462 when wheat was first used in making, 461 where it comes from, 460 why so important, 460

=Break=, why things, 62

=Breech=, of a big gun, 53

=Breech-loaders= in Civil War, 48 in rifle, 47

=Brush=, in writing, invention of, 13 in writing (illus.), 13

=Bullets=, cupro-nickel used in, 50 grading of, 51 weighing of (illus.), 49

=Buildings=, concrete, how made (illus.), 100

=Buttons=, on sleeves, 64

=Building=, tallest in the world (illus.), 395-508 what holds it up? 496

=Building foundations=, construction of, 496 compressed air, use of (illus.), 500 cutting piles with a hot flame (illus.), 498 driving steel piles, 496 piles filled with concrete (illus.), 499 piles, length of, 497 piles, sinking of (illus.), 497 use of oxyacetylene, 498

=Cable, laying= armoring machine (illus.), 437 arrived on other side, 433 bulge (illus.), 437 gear-paying-out (illus.), 431 Great Eastern, the, 434, 437 landing of (illus.), 433 machinery on cable ship (illus.), 431 paying-out machine (illus.), 431 shore end of (illus.), 429 storing of, aboard ship (illus.), 430 what they look like when cut in two (illus.), 428

=Cable, ocean=, Continental Morse Code, 438 how dropped (illus.), 432 how repaired (illus.), 435 inventor of, 434 laid, how, 429 man who made it possible, 434 pioneers of, 434 signals as received (illus.), 438 what is it made of, 429

=Cable, repairing=, grapnels (illus.), 435 how repaired, 435 on rocky shore, (illus.), 438 powerful engines used (illus.), 436 splicing of (illus.), 436

=Cable, service=, map of Trans-Atlantic, 439

=Cable, vault=, of telephone (illus.), 67

=Cabriolet=, 122

=Cacao, beans=, bags of (illus.), 388 how cured, 392 nibs, 392

=Cacao=, flaked, how made, 392 how gathered, 391 pods, how gathered, 391 free, discovery of, 388 and chocolate, difference between, 389

=Cackling=, why a hen, 233

=Calibre= of a gun, 53

=Calico=, name, where from, 123

=Camera=, 22 first moving picture, 375

=Can= a bee sting? 536

=Can= animals think? 194