National Fire Protection Association
National Fire Protection Association
St. Patrick's Cathedral Mist system
Stainless steel piping stretches over most of the cathedral attic delivering pressurized water and gas to the system’s 246 mist nozzles.
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Uploaded on September 5, 2014
Taken on September 5, 2014
St. Patrick's Cathedral Mist system
Stainless steel piping stretches over most of the cathedral attic delivering pressurized water and gas to the system’s 246 mist nozzles.
382
views
0
faves
0
comments
Uploaded on September 5, 2014
Taken on September 5, 2014