The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 92
... ment is accurate to a few seconds per day . Smaller portable clocks , whose timekeeping element is a balance and spring , require escape- ments of a different type , since in these clocks the balance may have quite a large arc of swing ...
... ment is accurate to a few seconds per day . Smaller portable clocks , whose timekeeping element is a balance and spring , require escape- ments of a different type , since in these clocks the balance may have quite a large arc of swing ...
Page 379
... ment of the U.S. government , created to promote the country's international trade , economic growth , and technological advancement . With the growth of U.S. industry in the late 19th century , many business leaders came to feel that ...
... ment of the U.S. government , created to promote the country's international trade , economic growth , and technological advancement . With the growth of U.S. industry in the late 19th century , many business leaders came to feel that ...
Page 622
... ment planning involves a scientifically based pro- gram for allocation and use of resources , main- tenance of a desirable ecological balance , and development of housing , industry , and agricul- ture to meet present and future needs ...
... ment planning involves a scientifically based pro- gram for allocation and use of resources , main- tenance of a desirable ecological balance , and development of housing , industry , and agricul- ture to meet present and future needs ...
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19th century Africa American Atlantic cod became Bogotá born Britain British church civil Clark Clay Cleisthenes Cleveland climate clocks cloture cloud clubs coal coal tar coeducation coelacanth coffee coinage coins coke College Colombia colonies color Colorado Columbia Columbus comets comic commercial common cold common law Commonwealth COMMONWEALTH OF NATIONS Communist countries courts developed died early East economic elected Empire England English established European federal France French higher education important India Indian industry institutions Island John known land later latitudes London major ment meters miles montmorillonite Mountains Museum National North Ocean organization party period plants political Population president produced programs region River Roman social South Soviet Soviet Union species temperature tion trade treaty Union United University usually West western World World War II York