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medium-sized early 20th century american industrial brushed cast iron "new old stock" boylston steam valve stem bonnet
  • medium-sized early 20th century american industrial brushed cast iron "new old stock" boylston steam valve stem bonnet
  • medium-sized early 20th century american industrial brushed cast iron "new old stock" boylston steam valve stem bonnet
medium-sized early 20th century american industrial brushed cast iron "new old stock" boylston steam valve stem bonnet

medium-sized early 20th century american industrial brushed cast iron "new old stock" boylston steam valve stem bonnet

SKU: UR-17156-13
single c. 1920's original vintage american industrial steam valve stem bonnet salvaged from the boylston factory. the new old stock medium-sized steam valve component would likely have been used in pressure regulators or pumps. the freestanding bonnet is comprised of cast iron with a brushed metal finish. fabricated by the boylston steam specialties co., il. similar components available. measures 6 x 7 inches.

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