{"product_id":"s6670-spade","title":"S6670 Spade","description":"\u003cp\u003e----------------------------\u003c\/p\u003e\n\u003cp\u003eKevin MacLean\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOceanwood, wire, surplus\/obsolete hardware, found objects, watch parts, metal scraps\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e7.5\" X 14.5\" X 2\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cem\u003e----------------------------\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv\u003eS6670  Spade\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003eDesigned approximately around 1690 by Papin the design was a rudimentary strong and heavy metal and wood square box that used an air pump to achieve buoyancy. Rudimentary yet ornate with spade like iron decorations and heavy iron conning tower buoyancy proved a difficult thing and his two inventions sank or were destroyed by angry boatbuilders who felt threatened.  His attempts at submersibles were overshadowed by his invention of the \"steam digester” which developed into the modern day pressure cooker.  \u003c\/div\u003e","brand":"Kevin MacLean","offers":[{"title":"Default Title","offer_id":48171610636520,"sku":"KM055","price":295.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/6588\/6952\/files\/KM_MacLean_Kevin_Spade.jpg?v=1775057467","url":"https:\/\/theprowgallery.com\/products\/s6670-spade","provider":"The Prow Gallery","version":"1.0","type":"link"}