VI. The World Wars and the Interwar Period, 19141945> A. Global and Comparative Dimensions> 5. Technological Developments> b. Materials and Construction | ||||
| ||||
CONTENTS · SUBJECT INDEX · BIBLIOGRAPHIC RECORD |
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 (18861969). | 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. |
CONTENTS · SUBJECT INDEX · BIBLIOGRAPHIC RECORD | ||||
| ||||