The New Encyclopaedia Britannica, Volume 18Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 154
... living species of gastropods in the marine environment . They were presum- ably as diverse throughout the Tertiary . The Bivalvia ( mollusca ) , or clams , are much less diver- sified than the gastropods , with only about 12,000 living ...
... living species of gastropods in the marine environment . They were presum- ably as diverse throughout the Tertiary . The Bivalvia ( mollusca ) , or clams , are much less diver- sified than the gastropods , with only about 12,000 living ...
Page 889
... living . The best measure of the cost of living is a combination of the general index of retail prices with the consumer price index . For the economically troubled 1960-70 peri- od , this indicated a nearly 50 percent rise in the cost ...
... living . The best measure of the cost of living is a combination of the general index of retail prices with the consumer price index . For the economically troubled 1960-70 peri- od , this indicated a nearly 50 percent rise in the cost ...
Page 1074
... Living in Cities year cities of 20,000 or more cities of 100,000 or more 1800 2.4 1.7 1850 4.3 2.3 1900 9.2 5.5 1950 20.9 13.1 1970 27.8 24.0 Sources : Kingsley Davis , " The Origin and Growth of Urbanization in the World , " The ...
... Living in Cities year cities of 20,000 or more cities of 100,000 or more 1800 2.4 1.7 1850 4.3 2.3 1900 9.2 5.5 1950 20.9 13.1 1970 27.8 24.0 Sources : Kingsley Davis , " The Origin and Growth of Urbanization in the World , " The ...
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19th century actors adiabatic process applied audience broadcasting cable called camera carpels carrier centimetres centre channels chemical chrominance circuit classical colour commedia dell'arte communications court device drama drugs early effect eigenvalues electrical electrons energy engine entropy Eocene equation Europe fabrics fibres Figure film frequency Germany Greek heat important increased industry loom machine material mechanical megahertz ment metal method metres millimetres Miocene modern modulation Oligocene operation Paleocene pattern percent performance picture play pressure production radio real tennis receiver religious Roman scanning signal social space species stable equilibrium stage steam teachers techniques tektites telegraph telephone teleprinter telescope television temperature tennis tetraodontiforms textile textual criticism Thailand theatre theatrical thermodynamics thermoelectric thermoreceptors tion transmission transmitted tube ture United usually warp weave weft wire yarns