Thursday, December 18, 2014

ORIGINAL FIRE ALARM INDICATOR

Forgotten New York -


Originally, NYC fire alarms, introduced in the 1880s, were indicated by lights mounted on shafts above the alarm itself. However, when cast and wrought iron streetlamps were introduced in 1892 on 5th Avenue and then spread all over the city, someone got the idea to mount the indicators on them. Special brackets were designed to [...]


Forgotten New York -






from Forgotten New York http://ift.tt/1AuDtfs

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