The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 337
... century for restoring phos- phate to pastures in dairy areas . Perhaps it was the use of these bones and their cracking and soaking in sulfuric acid that led to the production of superphosphate of lime in the 1840s . As the 19th century ...
... century for restoring phos- phate to pastures in dairy areas . Perhaps it was the use of these bones and their cracking and soaking in sulfuric acid that led to the production of superphosphate of lime in the 1840s . As the 19th century ...
Page 1002
... century , the population totalled nearly 100,000 , whereas there had been about 20,000 people in the city at the end of the 14th century . Extensive urbanization plans were developed to lodge the increasing population , who earned their ...
... century , the population totalled nearly 100,000 , whereas there had been about 20,000 people in the city at the end of the 14th century . Extensive urbanization plans were developed to lodge the increasing population , who earned their ...
Page 1156
... century ; from these beginnings it was revived in the 9th century and again in the 12th , at which time a second and stronger Aristotelian wave emerged from Constantinople and then a third , via the western Arabic schools , from Spain ...
... century ; from these beginnings it was revived in the 9th century and again in the 12th , at which time a second and stronger Aristotelian wave emerged from Constantinople and then a third , via the western Arabic schools , from Spain ...
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accelerator acid activity Adams administrative advertising Aeschylus aesthetic Africa agriculture animals appear become body called Central century changes contains continued cost countries crops cultural dance early East effect electrons elements engineering established example farm feet field figures flight followed function human important increase industry influence Italy Khoisan Knossos known Lake land languages later less living major materials means ment natural occur operations organization original patterns percent performance period plants play political population present production range region remains represented result River society sound South southern species structure style theory tion traditional United usually variety West Western widely