Manufacture of aircraft, 1919

• Book ID: 104123371
• Publisher: Elsevier Science
• Year: 1921
• Tongue: English
• Weight: 50 KB
• Volume: 191
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(21)90679-3

✦ Synopsis

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 Bank. In constructing the cotidal lines offshore, Doctor Harris was compelled to rely wholly on theoretical considerations, which in this case are well borne out by the tidal observations. Manufacture of Aircraft, I919.--A preliminary statement of the general results of the 192o census of manufactures with reference to aircraft has been issued by the Bureau of the Census, Department of Commerce, furnishing a detailed statement of the quantities and values of the different types of aircraft manufactured during the year I919, prepared under the direction of Mr.