{"product_id":"2940011848353","title":"Acetylene, The Principles Of Its Generation And Use","description":"They have essayed a comparison between the value of acetylene and other illuminants on the basis of \"illuminating effect\" instead of on the misleading basis of pure \"illuminating power,\" a distinction which they hope and believe will do much to clear up the misconceptions existing on the subject. Tables are included, for the first time (it is believed) in English publications, of the proper sizes of mains and service-pipes for delivering acetylene at different effective pressures, which, it is hoped, will prove of use to those concerned in the installation of acetylene lighting systems.\u003cbr\u003eJune 1903","brand":"New Century Books","offers":[{"title":"Default Title","offer_id":47162423869680,"sku":"2940011848353","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940011848353_p0.jpg?v=1763550306","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940011848353","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}