Manufacture of aircraft, 1919
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Article
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1921
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Elsevier Science
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English
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## TIDAL OBSERVATIONS. 82 1 Based on these observations the cotidal hour for Five Fathom Bank is about XII.2. In this connection it is interesting to note ttlat on the co,tidal maps of the world, constructed by Dr. R. A. Harris, 1 the XII hour cottdal line is slightly to the west of Five Fathom Ba