{"product_id":"original-mid-twentieth-century-american-industrial-factory-wall-mount-fire-alarm-manufactured-by-autocall-in-shelby-ohio","title":"original mid-twentieth century american industrial factory wall-mount fire alarm manufactured by autocall in shelby, ohio.","description":"original vintage c. 1960's circular 120 volt steel wall-mount fire alarm bell manufactured for the autocall division of federal sign and signal corporation. a thin, circular piece of metal is held on with a central lugnut, and contains the company's printed label. the paint splattered, worn label read \"fire alarm\" in large white lettering against a red background that surrounds smaller text reading \"the autocall division \/ shelby, ohio \/ federal \/ sign and signal corp\" and has lines of incised numbers indicating the type and category of alarm. beneath this a small section of label reads \"autocall \/ depend ®a bell \/ patent no 3,392,383.\" the steel bell has an orange peel texture and remains in good condition for its age and date of manufacture. autocall was founded in 1908 by two businessmen from shelby electric company after they witnessed a demonstration of a unique telegraph system in use at a plant for employee communication while on a business trip. seeing the need for such a system at their own company, the two designed an automatic version of this system and founded autocall. soon after, in 1912 the company produced their first 120vac coded fire alarm system. in 1916 autocall introduced a new system combining paging and fire alarm equipment, a feature which would be used for the next several decades. in 1920, an advertisement centered around the infamous triangle shirtwaist factory fire helped to gain the company significant business and began to establish them as a serious competitor in the industry. in 1922, the company created an automatic punch recorder designed to record system status changes by punching holes in ticker tape. in 1933, autocall purchased the howe manufacturing company of chicago, il and used their proprietary transmitter design to produce the autocall-howe system, a high-end fire alarm system targeted at large institutions and industrial plants. by the 1960s, autocall-howe systems were installed in many of the united states' largest factories, airports, and universities.","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":50671269347626,"sku":"UR-22731-15","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/7075\/4858\/files\/20150528-img_0010_2.jpg?v=1760275316","url":"https:\/\/urbanremainschicago.com\/products\/original-mid-twentieth-century-american-industrial-factory-wall-mount-fire-alarm-manufactured-by-autocall-in-shelby-ohio","provider":"Urban Remains Chicago","version":"1.0","type":"link"}