Woonsocket, RI Opera House Fire, Jan 1891

On January 6, 1891, fire broke out at the Opera-House at Woonsocket, R. I., the cause being a front border light igniting a gauze drop, from where the flames jumped to the drop-curtain.

The stage was protected with Grinnell's automatic sprinklers, under a pressure of 100 lbs. from the city water-supply. Under the gridiron and just above the drop-curtain six sprinkler-heads opened, also three more under the roof, and five more under the stage ventilator. The fire was quenched completely by fourteen sprinklers.

Twelve Prominent Theatre Fire Calamities of this Century [1800s] from Theatre Fires and Panics: Their Causes and Prevention, New York: John Wiley & Sons, 1896, page 130