The New book of knowledge, Volum 11An 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. |
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Side 118
The steam softens the fibers of Why were electric irons invented? At the turn of
the century, people used electricity mainly for lighting. This meant that although a
good deal of electricity was used at night, very little was used in the daytime.
The steam softens the fibers of Why were electric irons invented? At the turn of
the century, people used electricity mainly for lighting. This meant that although a
good deal of electricity was used at night, very little was used in the daytime.
Side 209
(The steam engine and automobile engine are two common examples.) Nearly
all such engines obtain their heat from the burning of a chemical fuel, such as
wood, coal, oil, or gasoline. But one kind of heat engine uses atomic energy as a
...
(The steam engine and automobile engine are two common examples.) Nearly
all such engines obtain their heat from the burning of a chemical fuel, such as
wood, coal, oil, or gasoline. But one kind of heat engine uses atomic energy as a
...
Side 210
Watt later invented a way to make the steam push the piston both up and down.
The engine then worked much faster. The Steam Engine Principle All steam
engines work for the same reason: steam occupies more than 1,700 times as
much ...
Watt later invented a way to make the steam push the piston both up and down.
The engine then worked much faster. The Steam Engine Principle All steam
engines work for the same reason: steam occupies more than 1,700 times as
much ...
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