Children's Encyclopedia1976 |
Des de l'interior del llibre
Resultats 1 - 3 de 7.
Pàgina 42
... roads . The picture below shows part of such a city . In the bottom left there is an office building . Part of it is ... road tunnel under the river . Across the river are the docks , with sheds , other factories , and an oil refinery in ...
... roads . The picture below shows part of such a city . In the bottom left there is an office building . Part of it is ... road tunnel under the river . Across the river are the docks , with sheds , other factories , and an oil refinery in ...
Pàgina 54
... road carriage . But none was successful on the bad roads . Then a British engineer , Richard Trevithick , hit upon the idea of mounting a steam carriage on rails to give a smoother ride . The idea of making a track for the wheels of ...
... road carriage . But none was successful on the bad roads . Then a British engineer , Richard Trevithick , hit upon the idea of mounting a steam carriage on rails to give a smoother ride . The idea of making a track for the wheels of ...
Pàgina 60
... road in perfect safety . The ' brain ' will steer the car as it is directed by magnetic signals sent out from a cable buried under the road . Index A Aerotrain 55 Air 10 Aircraft 58 , 59. 60 Into the Future.
... road in perfect safety . The ' brain ' will steer the car as it is directed by magnetic signals sent out from a cable buried under the road . Index A Aerotrain 55 Air 10 Aircraft 58 , 59. 60 Into the Future.
Altres edicions - Mostra-ho tot
Frases i termes més freqüents
adult Aerotrain Africa Arctic areas armor atomic battle bigger birds body bomb bones brain breathe build built butterfly called carried cells cities coal colored crankshaft creatures crops cylinder deep desert dinosaurs earth eggs Egyptian plover electricity enemies engine feet fish flower forests galaxy gear Greeks ground grow heat hovercraft huge hunted insects inside jungle kinds knights land leaves light live look Louis Bleriot machine mammals miles millions Montgolfier brothers moon Mount Everest mountains move muscles nerves nest numbers oxygen picture piston plane pollen Prairie falcon railways rain reptiles river road rock Sahara Desert sailing sea anemone sea scorpions seeds shell ships shows skin South America South Pole space spacemen speed spider stars steam locomotives stone sun's sunlight surface tiny tractors trees turn wheels wind Wright brothers young