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A Relief Valve on Copper Pipe for the Fire Supression System

A Relief Valve on Copper Pipe for the Fire Supression System

This is a pressure relief valve, in a section of copper pipe. This is most likely a section of the back case, or descent tube, for the chain pump. The photographer's reflection can be seen, on the surface of the metal.
Galleries: Ships, USS Constitution Museum
Keywords: america's ship of state, boston, copper pipes, massachusetts, metal pipes, pump, relief valve, sailing ship, uss constitution, uss constitution museum
Photo Location: USS Constitution Museum, Boston, Massachusetts
Photographer: Dr. Roy Winkelman
Date of Photo: 05/28/2011
Device Make: Canon
Device Model: Canon EOS 5D Mark II
Original Dimensions: 5616×3744
Picture Orientation: Landscape
GPS Coordinates: 42°22'20.73"N 71°03'23.54"W
Picture Number: 15265