The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 71
... Lock and Mill ” ( 1820 ; Victoria and Albert Museum ) ; “ Stratford Mill ” ( 1820 ; Sir Reginald and Lady Macdonald - Buchanan Collection , Cottesbrooke Hall , Northamptonshire ) ; “ The HayWain ” ( 1821 ; National Gallery , London ) ...
... Lock and Mill ” ( 1820 ; Victoria and Albert Museum ) ; “ Stratford Mill ” ( 1820 ; Sir Reginald and Lady Macdonald - Buchanan Collection , Cottesbrooke Hall , Northamptonshire ) ; “ The HayWain ” ( 1821 ; National Gallery , London ) ...
Page 446
... lock was developed in Scotland as an alternative to fish ladders . It operates on the same intermittent principle as a ship lock but is constructed as a closed conduit . Intermittent closure of the gates at the bottom causes the ...
... lock was developed in Scotland as an alternative to fish ladders . It operates on the same intermittent principle as a ship lock but is constructed as a closed conduit . Intermittent closure of the gates at the bottom causes the ...
Page 447
... lock also serves at other seasons to flush young salmon down past the dam . BIBLIOGRAPHY . E. WEGMANN , The Design and Construction of Dams , 8th ed . ( 1927 ) , a general textbook on dams containing much information of historical ...
... lock also serves at other seasons to flush young salmon down past the dam . BIBLIOGRAPHY . E. WEGMANN , The Design and Construction of Dams , 8th ed . ( 1927 ) , a general textbook on dams containing much information of historical ...
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activity American animals appear areas authority become body called cause cells central century charge common complex conservation consists constant constitution consumer contain continental continued copper cosmic rays countries court crime criminal Crusade direct early effect electron elements energy England established Europe evidence example exist fact field force ground groups House important increase individual industrial involved Italy known land later less letters limited living major material means measure ment metal natural occur organic original particles particular party percent period person play political population position present problems protection reefs region remains result rule social South species structure theory tion United usually various