VI. The World Wars and the Interwar Period, 1914–1945 > A. Global and Comparative Dimensions > 5. Technological Developments > b. Materials and Construction
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  The Encyclopedia of World History.  2001.
 
 
b. Materials and Construction
1928
 
The first steel-frame, glass-curtain-wall building completed. By 1960 this technique was practically universal for high buildings; developed particularly by L. Mies van der Rohe (1886–1969).  1
 
1941
 
Shell molding, a revolutionary process producing more accurate castings cheaply, invented by Johannes Croning. Powder metallurgy, although known since Wollaston's work at the beginning of the 19th century, achieved extensive application in mid-20th century.  2
 
1945
 
Industrial development of silicones proceeded apace for a wide variety of applications, including lubricants for exceedingly high and low temperatures; binding of fiberglass; water-repellent agents; etc.  3
 
 
 
The Encyclopedia of World History, Sixth edition. Peter N. Stearns, general editor. Copyright © 2001 by Houghton Mifflin Company. Maps by Mary Reilly, copyright 2001 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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