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- ...bly, runs off of 110V single phase power, and is about the size of a Model L siren. This siren was most likely manufactured before World War II. ...333 bytes (60 words) - 22:46, 10 February 2015
- |image = [[File:Model A Official.jpeg|200px]] |produced = 1917-Present <ref>https://www.fedsig.com/product/model-a-general-alarm-siren</ref><noinclude> ...3 KB (445 words) - 00:56, 29 January 2024