Mostly silent alarm

I work in a building completed in the mid to late 1960s. I’m guessing this alarm was installed around that period too. The rapid, high pitched ringing has been supplemented by sirens, whooping and a voice instructing inhabitants to “evacuate the building”.

I like the fact that this artefact is evidence of the industry that once thrived in the inner west Sydney suburb of Marrickville. 

3 thoughts on “Mostly silent alarm

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