Αποτελέσματα Αναζήτησης
This is the first in-depth study of the technology that revolutionized twentieth-century aviation. Edward Con- stant traces the two centuries of developments leading. to the patent of the first true turbojet in 1930, and proceeds. to examine the progress of aviation in England, Germany, and America.
The extensive volume, A History of Engineering and Science in the Bell System: The Early Years (1875-1925), ed. M. D. Fagen (Warren, N.J., 1975), is a reliable source of detailed information on many of Bell's early engineering developments and is recommended as an introduction to early telephone technology. Studies which address the general ques-
22 Αυγ 2021 · Vol. 3 prepared by A.E. Joel, Jr. and other members of the technical staff, Bell Telephone Laboratories; G.E. Schindler, Jr., editor. Includes bibliographical references and indexes. V.1. The early years (1875-1925).
Thus early in 1881, General Stager, Western Electric president, and Theodore N. Vail, at that time general manager of the American Bell Telephone Company, explored the possibility of Western Electric becoming the manufacturing unit of the Bell System.
29 Ιουν 2012 · A History of Engineering and Science in the Bell System. Switching Technology (1925 - 1975), 1982. Contributed by Sam Etler, with post-processing by Clint Gilliland.
6 Ιαν 2010 · Louis Galambos. Chapter. Get access. Summary. The forces that would break apart the mighty Bell System within fifteen years were already visible in 1970 to those who cared to look. No one, however, could have known how these forces would interact to produce AT&T's divestiture on January 1, 1984. Action could be seen, reaction only imagined.
In this book, Kenneth W. Thompson traces the principles supported by these and other political realists and applies them to funda- mental problems in world politics and foreign policy.