The Encyclopedia Americana, Volume 7Grolier, 1994 - Encyclopedias and dictionaries |
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Page 184
... tion is the angular distance of a celestial object from the celestial equator . ) The image does not rotate , and long exposures on photographic plates can be obtained . To work at a different declina- tion , the coelostat mirror is ...
... tion is the angular distance of a celestial object from the celestial equator . ) The image does not rotate , and long exposures on photographic plates can be obtained . To work at a different declina- tion , the coelostat mirror is ...
Page 235
... tion the trade union movement in the United States has sought recognition from employers so that unions might enjoy the right of representa- tion and might negotiate an enforceable contract , the culminating point in collective ...
... tion the trade union movement in the United States has sought recognition from employers so that unions might enjoy the right of representa- tion and might negotiate an enforceable contract , the culminating point in collective ...
Page 319
... tion of the Great Plains enters Colorado from Kansas and Nebraska and rises gently to the foot- hills of the mountains . This part of the state , about two fifths of the total area , is generally level , although it is broken in places ...
... tion of the Great Plains enters Colorado from Kansas and Nebraska and rises gently to the foot- hills of the mountains . This part of the state , about two fifths of the total area , is generally level , although it is broken in places ...
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19th century Africa American Atlantic cod became Bogotá born Britain British central church civil Clark Clay Cleisthenes Cleveland climate clocks cloture cloud clubs coal coal tar Coast Guard 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 Party countries courts died early East economic elected Empire England English established Europe European federal France French important India Indian industry institutions John known land later latitudes major ment meters miles montmorillonite mountain Museum National North Ocean organization period plant political Population president produced region River Roman served social South southern Soviet Soviet Union species temperature tion trade treaty Union United University usually West western World World War II York York City