{"product_id":"mammoth-c-1920-s-vintage-american-industrial-heavy-duty-cast-iron-boylston-sound-diffractor-valve-component-with-embossed-lettering","title":"mammoth c. 1920's vintage american industrial heavy duty cast iron boylston \"sound diffractor\" valve component with embossed lettering","description":"incredibly heavy c. 1920's vintage american industrial solid cast iron boylston \"sound diffractor\" pipe valve component designed and fabricated by the boylston steam specialties co., chicago, il. the bulky iron unit was likely used to regulate noise levels in steam piping. brushed metal finish with embossed lettering. surface treated with a clear coat finish. measures 16 x 14 inches.","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":50669744554282,"sku":"UR-14616-12","price":350.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/7075\/4858\/files\/20120802-005m_2.jpg?v=1760330281","url":"https:\/\/urbanremainschicago.com\/products\/mammoth-c-1920-s-vintage-american-industrial-heavy-duty-cast-iron-boylston-sound-diffractor-valve-component-with-embossed-lettering","provider":"Urban Remains Chicago","version":"1.0","type":"link"}