Word: sirening
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Dates: during 1940-1949
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Listeners in Central Square and even in Fen way in Boston reported that they had heard the alarm system. Company officials also were pleased by the way in which the unusual tone of the siren was noticed; for one of their big problems, besides devising a frequency that would be heard above the sounds of traffic, was to make the tone different from any other siren or fog horn...
Cries of "Buy Defense Bonds," or "modern design makes the big difference," will resound through the Yard this afternoon between 12:15 and 1:30 o'clock when the Civilian Defense Committee of Cambridge will try out its Dilk air raid siren on top of Widener Library...
...product of the RCA research laboratories, the siren, which reputedly possesses an audible range of three miles, has been tested in various parts of Cambridge to find a location where it can be heard in all parts of the city...
...What to do when the siren blows: Blow back...
...York Stock Exchange was sagging gently along early last week, when suddenly the news ticker flashed: "Unidentified planes two hours away...." Later, a huge siren near the old Treasury Building, right across the street, went off with an awful wail. On the trading floor men wheeled, dashed for the trading posts, frantically dumped thousands of shares of stock for whatever they would bring. This done, many of them high-tailed for office or home. When the all-clear sounded 17 minutes later, leading stocks had lost 2 to 10 points, the market was at a new four-year...