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
Waffle irons and electric grills have thick metal plates with heating elements
behind them or in them. The food or waffle batter ... A flatiron for pressing clothes
is not very different in principle from a waffle iron or sandwich grill. It, too, has a
thick ...
Waffle irons and electric grills have thick metal plates with heating elements
behind them or in them. The food or waffle batter ... A flatiron for pressing clothes
is not very different in principle from a waffle iron or sandwich grill. It, too, has a
thick ...
Side 158
Ten elements have been known since ancient times: carbon, sulfur, gold, silver,
copper, iron, tin, lead, mercury, and antimony. No one knows when they were
discovered or by whom. For all the other elements, the discoverer and the year of
...
Ten elements have been known since ancient times: carbon, sulfur, gold, silver,
copper, iron, tin, lead, mercury, and antimony. No one knows when they were
discovered or by whom. For all the other elements, the discoverer and the year of
...
Side 162
For that reason, iron replaced bronze for weapons. That marked the coming of
the Iron Age. Iron is the fourth most common element in the earth's crust. The
earth's interior is thought to be composed mostly of molten iron. Iron is not so
common ...
For that reason, iron replaced bronze for weapons. That marked the coming of
the Iron Age. Iron is the fourth most common element in the earth's crust. The
earth's interior is thought to be composed mostly of molten iron. Iron is not so
common ...
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19th century actinide series Africa Age of Exploration Akhenaten alternating current American ancient animals became began British building built called canal century changes charge chemical church cities coast coil crust developed earth earthquake East eclipse Ecuador eels eggs Egypt Eisenhower electric current electric motor electronic music electrons elements elephants elevator energy engine England English Equatorial Guinea ERBIUM Eskimos Ethiopia Europe European explosives fish flow France Greek heat important Indian Indian elephant industry iron islands kilometers kind king land language lanthanide learned light live magnet ment metal meters modern mountains move nations North ocean oxygen painted Parliament plants plate poems poet poles pollution produce promethium radio River rock Roman schools scientists Soviet Spain steam surface tion United uosipg voltage vote waves William wire wrote