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2. List of sirens built by Alerting Communicators of America

   en.wikipedia.org/wiki/List_of_sirens_built_by...

   This siren is similar to Federal Signal's Thunderbolt series. Only a single unit remains in service in Milwaukee, WI. Screamers Electro-Mechanical 2, 5, 7.5, 10 8, 9, 9/12, 10/12 1968–1994 Omni Directional 102–115 dB at 100 ft. Series of small vertical sirens, comparable to Federal Signal Corporation's vertical sirens. Sentry 95

3. Federal Signal 3T22 - Wikipedia

   en.wikipedia.org/wiki/Federal_Signal_3T22

   A Federal Signal 2T22 siren. The Federal Signal 3T22 / 2T22 was a dual tone, mechanical outdoor warning siren made by Federal Signal Corporation (formerly Federal Sign and Signal Corporation) from 1952 through the early 1990s. It has a very recognizable design, having a ten-port rotor (chopper) on the bottom with ten cones (horns) and a 12-port ...

4. Federal Signal Corporation - Wikipedia

   en.wikipedia.org/wiki/Federal_Signal_Corporation

   Federal Signal was founded in Chicago, Illinois, as the Federal Electric Company in 1901 by brothers John and James Gilchrist and partner John Goehst, manufacturing and selling store signs lit by incandescent lamps. By 1915, they began manufacturing and selling electrically operated mechanical sirens (such as the Q Siren and

5. Funny, pun-filled DOT signs probably aren't going away in ...

   www.aol.com/funny-pun-filled-dot-signs-140524038...

   Worries about funny highway signs disappearing for good started after the Federal Highway Administration released its updated Manual on Uniform Traffic Control Devices, or MUTCD, in December. The ...

6. Civil defense siren - Wikipedia

   en.wikipedia.org/wiki/Civil_defense_siren

   Sirens in integrated public warning systems Federal Signal Model 5 in Ballston Spa, New York, U.S.. Sirens are sometimes integrated into a warning system that links sirens with other warning media, such as the radio and TV Emergency Alert System, NOAA Weather Radio, telephone alerting systems, Reverse 911, Cable Override, and wireless alerting systems in the United States and the National ...

7. NJ's funny highway road signs are back with a holiday flair ...

   www.aol.com/njs-funny-highway-road-signs...

   These are similar to the funny traffic signs the DOT put out last year. The signs, which went viral on social media, included punny and sarcastic statements that urged drivers to stop reckless and ...