1/72 STH-10 Civil Defense air raid or Fire Siren

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The Model Mechanic

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Product Description

The STH-10 was designed as an improved version of the STL-10 civil defense siren built by Federal Signal. During the late 1950s, a coded version called the STH-C was made. This could sound a pulsed/coded firecall for fire departments. The STH-10 came in single-phase 7.5 HP, and three-phase 10 HP. During its later years in production, a 7.5 HP three-phase version was made. The STH-10 was discontinued around 2005, and replaced with the Eclipse-8 outdoor warning siren. Should there be any problems in printing or you have a question, contact me via the designer link or direct via email to modelmechanic@gmail.com Be sure and 'follow' me as a designer to get the lastest releases and updates.