TIL that before telephones, fire alarm boxes were located at
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Taking a Look at the Surprising History of Fire Alarms
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Fire Alarm Systems 1919 - A description
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Fire Hall/City Hall — Rossland Museum & Discovery Centre
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Fire alarm call box - Wikipedia
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Urban spelunking: Milwaukee's vintage police call boxes
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How a Fire Alarm Control Panel Works
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Old alarms out, new fire alarm system set to go
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