The New Book of KnowledgeGrolier, 1986 - 21 sider An illustrated encyclopedia containing over 9,000 articles on history, literature, art and music, geography, myths and legends, mathematics, science, hobbies, holidays and festivals, games, sports, crafts, medicine, law, government, industry, politics, and other topics. |
Inni boken
Resultat 1-3 av 11
Side 84
... Engines can do the work of many people . Without engines an industrial civilization is impossible . Yet when the first engines were built in the 17th century , people were still wonder- ing about the nature of heat . " What is it ...
... Engines can do the work of many people . Without engines an industrial civilization is impossible . Yet when the first engines were built in the 17th century , people were still wonder- ing about the nature of heat . " What is it ...
Side 102
... engine to fly . In the early 1920's , about 20 years after the Wright brothers made the first success- ful airplane flight , a Spanish engineer , Juan de la Cierva , developed a machine called an autogiro . It was similar to a fixed ...
... engine to fly . In the early 1920's , about 20 years after the Wright brothers made the first success- ful airplane flight , a Spanish engineer , Juan de la Cierva , developed a machine called an autogiro . It was similar to a fixed ...
Side 146
... engines . Some small cranes may be powered by hand cranks . Steam engines provided the power for some earlier cranes . The Structure of Cranes The jib is a beam with structural supports to prevent it from bending . It is usually ...
... engines . Some small cranes may be powered by hand cranks . Steam engines provided the power for some earlier cranes . The Structure of Cranes The jib is a beam with structural supports to prevent it from bending . It is usually ...
Andre utgaver - Vis alle
Vanlige uttrykk og setninger
aardwolf Africa American ancient animals Asia became began birds blood body breed British building built called Celsius century church color deer elected emperor England English Europe French German Greek hair Haiti Haleakala handball Hanukkah Harrison Hawaii Hawaiian Hayes heart heating systems Hebrew helicopter helium Henry Hispanic holiday Holy Honduras honey Honolulu Hoover horses horseshoe crab hospital hostel houses Hungary hunting hurricane hydraulic hydrofoil hydrogen hyena hymns hypnosis important Indians islands Jews Kahoolawe Kauai kilograms kilometers king land liquid live mammals Maui meters migrate Molokai mountain move National Niihau North Oahu picture piston plants play poet popular president race Roman served songs South Spanish stories striped hyena temperature tion tornado United usually walls warm wild words World War II York young