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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
- ...t factual siren information. I currently own a Federal Sign & Signal Model L, a Sterling Siren Fire Alarm MOD. F, as well as a first generation Safetran ...531 bytes (96 words) - 03:26, 26 January 2024
- ...for use as fire sirens, and their biggest competitor was the [[Sterling]] Model M. These sirens were dual rotor single tone, and were never produced in dua ...her one or two rows of slits. The 7.5HP version is very similar to the 5HP model, but comes exclusively in 12-port single tone, with a rotor that has all lo ...1 member (0 subcategories, 0 files) - 02:00, 28 April 2023