The New Encyclopaedia Britannica, Volume 29Encyclopaedia Britannica, 1982 - Encyclopedias and dictionaries |
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Page 27
... period of transition , the Neo- lithic Period , or New Stone Age , led eventually to a marked rise in population , to a growth in the size of com- munities , and to the beginnings of town life . It is some- times referred to as the ...
... period of transition , the Neo- lithic Period , or New Stone Age , led eventually to a marked rise in population , to a growth in the size of com- munities , and to the beginnings of town life . It is some- times referred to as the ...
Page 151
... Period ( R.M. ) The Tertiary Period is the geological time interval from 65,000,000 to about 2,500,000 years ago , after the Creta- ceous Period and before the Quaternary Period . The name Tertiary was first used in 1760 for younger ...
... Period ( R.M. ) The Tertiary Period is the geological time interval from 65,000,000 to about 2,500,000 years ago , after the Creta- ceous Period and before the Quaternary Period . The name Tertiary was first used in 1760 for younger ...
Page 1038
... period of rotation of 10.82 hours was inferred . At the same time , spectrograph- ic observations of the tilt of spectral lines in sunlight reflected from Uranus were claimed to be consistent with a rotation period of about 10.75 hours ...
... period of rotation of 10.82 hours was inferred . At the same time , spectrograph- ic observations of the tilt of spectral lines in sunlight reflected from Uranus were claimed to be consistent with a rotation period of about 10.75 hours ...
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