Download Crystal Clear: The Struggle for Reliable Communications by Richard J. Thompson Jr. PDF
By Richard J. Thompson Jr.
Quartz crystal-a expertise that modified the tide of global battle II
the various defining leaps in expertise within the 20th century happened throughout the moment global conflict, from radar to nuclear strength. frequently passed over of ancient discussions are quartz crystals, which proved to be simply as pivotal to the Allied victory-and to post-war development-as different applied sciences. Quartz crystals supplied the U.S. army, for the 1st time, with trustworthy conversation at the entrance traces, after which went directly to turn into the center of a few of the main simple units of the post-war period, from watches, clocks, and colour televisions, to mobile phones and desktops.
In Crystal Clear, Richard Thompson relates the tale of the quartz crystal in international struggle II, from its early days as a interest for newbie radio fanatics, to its use by way of the USA militia. It follows the intrepid crew of scientists and engineers from the place of work of the manager sign Officer of the U.S. military as they raced to create an efficient quartz crystal unit. that they had to discover a competent offer of radio-quality quartz; devise tips on how to succeed in, mine, and shipping the quartz; be able to fabricate quartz crystal oscillators speedily; after which resolve the complicated "aging challenge" that plagued the early devices. eventually, the improvement of quartz oscillators grew to become the second one biggest medical project in global battle II after the new york venture.
Bringing to mild a little-known element of global warfare II, Crystal Clear bargains a glimpse inside of probably the most major efforts within the annals of engineering.Content:
Chapter 1 From cord to instant: The Development—and Acceptance—of Tactical Radio (pages 5–15):
Chapter 2 Crystal Control—The nice Gamble (pages 17–29):
Chapter three The sign Corps Lays the basis (pages 31–54):
Chapter four not anything Else to Do yet Grind Crystals (pages 55–68):
Chapter five driving the “Flat Wheel Limited”—Overseeing a Mass creation (pages 69–91):
Chapter 6 offering a Mass creation Industry—The Civilian executive Steps In (pages 93–115):
Chapter 7 “The complete Radio Crystal software of the Armed providers is dependent upon the good fortune of the Procurement application in Brazil. not anything needs to be Allowed to intervene with It” (pages 117–128):
Chapter eight “God Made plenty of Small Crystals” (pages 129–144):
Chapter nine The getting older Crisis—Stopgap Measures (pages 145–152):
Chapter 10 The getting older Crisis—Physics to the Rescue! (pages 153–161):
Chapter eleven “Without Crystals you have got Radio; With Them, Communications” (pages 163–173):
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Additional info for Crystal Clear: The Struggle for Reliable Communications Technology in World War II
Ingles. 24 In fact, the effort to create a mass production industry for QCUs and to supply it with raw quartz would come to dominate his life throughout the war. However, in 1940, these details were still part of the unknowable future; Colton's job, as he saw it, was to help the using arms anyway he could by developing the stable, dependable, and mobile communications equipment they needed. Colton was a good choice for the position. ), he had always been associated with the research and development activities of the Signal Corps.
By the end of 1942, however, the letters and memos suggest a rather well-established industry, running fairly smoothly. However, a lot of work had to be done throughout 1942 in order to turn an "incoherent mess" into a smoothly running machine. The very first project of the QCS was to collect, collate, and distribute all the known information related to the manufacture of quartz crystal oscillators. A great many manufacturers were entering the industry with no experience whatsoever in working with quartz; it was the job of the QCS to teach them.
34 T H E SIGNAL CORPS LAYS T H E FOUNDATION Furthermore, the Air Corps made it very plain that they expected the Signal Corps to support their needs above all others. In January 1941, a meeting was held between Air Corps Chief Henry H. "Hap" Arnold, Air Corps planners, and Signal Corps representatives. In response to a request from Arnold for a very large number of a particular type of radio, CSigO Mauborgne tried to point out the personnel difficulties such a request would cause as operators for these radios were almost as hard to come by as the radios themselves.