The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 130
... principles . The practice of aeronautical engineering rests upon principles that are fundamental to all flight vehicles : a propulsion system with high thermo- dynamic and propulsive efficiencies ; a structure of mini- mum weight and ...
... principles . The practice of aeronautical engineering rests upon principles that are fundamental to all flight vehicles : a propulsion system with high thermo- dynamic and propulsive efficiencies ; a structure of mini- mum weight and ...
Page 1079
... principles of uniformitarian stratigraphy ( which determines the age of fossil remains by the stra- tum they occupy below the earth ) by men like William Smith , Georges Cuvier , and Charles Lyell . Lyell , in his Principles of Geology ...
... principles of uniformitarian stratigraphy ( which determines the age of fossil remains by the stra- tum they occupy below the earth ) by men like William Smith , Georges Cuvier , and Charles Lyell . Lyell , in his Principles of Geology ...
Page 1169
... principles are delineated . During the period from Thales to Democritus , phenomena and things both had been explained by their constituent ele- ments , which Aristotle called material principles and causes . He enumerated four causes ...
... principles are delineated . During the period from Thales to Democritus , phenomena and things both had been explained by their constituent ele- ments , which Aristotle called material principles and causes . He enumerated four causes ...
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