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Speed of sound est. in 1947....



Item # 607436

December 22, 1947

KENTUCKY TIMES-STAR, Cincinnati, December 22, 1947.

* United States Air Force - Chuck Yeager
* Bell XS-1 rocket airplane
* Speed of Sound broken - 1st time


The front page of the Cincinnati section (page 15) has a two column heading: "Army Plane Reportedly Exceeds Speed of Sound" with subhead: "Magazine Says Rocket Ship Has Blasted Sonic Barrier" See images for text here.

Also a nice banner headline on the death sentence for 25 Nazi concentration camp officers.

Other news, sports and advertisements of the day. Complete in 36 pages, some small binding holes along spine, minor margin wear, generally nice condition.

source: wikipedia: The Bell X-1, originally designated XS-1, was a joint NACA-U.S. Army Air Forces/US Air Force supersonic research project and the first aircraft to exceed the speed of sound in controlled, level flight. It was the first of the so-called X-planes, an American series of experimental aircraft designated for testing of new technologies and usually kept highly secret.

Category: The 20th Century

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