656 



Index 



eye, 589, 624 

 camera and, 188 

 care of, 189-190, 485 

 sight aids, 188, 189, 190 

 sight handicaps, 189-190 

 strain, 189-190 

 structure of, 187-188, (188, 189) 



Fabricius, H., 576 



Fact and Thought Questions, 10,20, 

 33, 44, 65, 77, 99, 116, 129, 146, 

 166, 178, 193, 202, 213, 226, 239, 

 253, 268, 288, 308, 317, 326, 337, 

 351, 367, 375, 380, 391, 397, 407, 

 414, 428, 437, 450, 464, 477, 486, 

 502, 512, 525, 533, 545, 554, 578, 

 609 



Fahrenheit thermometer, 86-87, 

 624, (86) 



fainting, 483-484, 624 



Faraday, Michael, 216, 559, 576, 

 (559) 



farming, 76, 305, 551 



farsightedness, 188-189, 624, (189) 



fatigue, 451, 452, 624 



fats, 355-358, 364, 372, 403-406, 499, 

 624 



faucet filter, 52 



fauna, 564, 624 



Fehling's solution, 356-357, 406, 

 510, 624 



femur, 624, (331) 



fermentation, 372, 378-379, 396, 

 445, 530, 562, 625 



ferments, 320, 322, 398, 400, 402- 

 403, 405, 423, 496, 625 



fertility of soil, 306-307 



fertilizers, 306-307, 625 



fiber-producing plants, 529-530 



fibrin, 417, 625 



Field, Cyrus W., 549 



field magnet, 223, 625 



filament, 232, 573, 583, 625 



film, photographic, 188, 190, 584- 

 585, (584) 



filter, 52, 598, 600, 625 



filtration of water, 52, 53, 54, (468) 



fire, 81, 83, 191 



care in handling, 94, 95, 517 - 

 causes of, 85, 95, 96, 136, 232 



fire Confd 



combustible substances, 84, 91 



conditions for combustion, 83-84 



control of, 520 



dangers, 94, 96 



drill, 94 



escapes, 94, 625, (95) 



exits, 94 



extinguishers, 36, 95-98, 625, 

 (96) 



fighting, 96-98, 520, (97) 



first aid in, 479 



forest fires, 136, 517, 520 



hazards, 85, 94, 625, (94) 



kindling temperatures of vari- 

 ous substances, 84-85 



losses, 85, 94, 96 



prevention, 95 



uses to man, 81, 260, 369, 371 

 Firefoam, 97-98, (98) 

 fireless cooker, 114, 115, 625, (114) 

 fireplace, 101, 104-106, 112, 349, 



(106) 



firing, 302, 625 



first aid, 478-486, (344, 479, 483) 

 fish, 48-49, 418, 535-536, 539-540 

 fission, 320, 625 

 fleas, 539, 541 

 flexibility, 15 

 Flexner, Dr. Simon, 474 

 flexor muscles, 330-331, 625, (330) 

 flies, 59, 459, 543-544, (459) 

 flint and steel, 83 

 floating objects, 275 

 floodlights, 592-594, 625, (593) 

 floods, prevention of, 76, 514 

 flora, 564, 625 

 flue, 113, 349, 625 

 fluid, 37, 625 

 focus, 187, 189, 625 

 fog, 122, 128, 582, 625 

 food, 354, 444, 445, 455, 469, 553, 

 625 



accessories, 360-361 



adulterants, 374 



and Drugs Act, 374, 388, 448, 

 475 



as body fuel, 19, 354-356, 361-366, 

 398 



economy in, 372-373 



energy and, 19, 339-340, 354-355, 

 358, 361, 362, 372, 512 



