{"product_id":"2940149054084","title":"A Manual of Heating and Ventilation","description":"From the PREFACE. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eIn the following pages it is my object to give concisely, the formulae and data necessary for computing the proper dimensions, etc., of Heating and Ventilating appliances, with a brief statement of the general principles upon wliich they are based. \u003cbr\u003e\u003cbr\u003eIt is not intended as a theoretical work, but as a vademecum or book of reference for those having the necessary theoretical knowledge, and requiring a convenient and handy book containing the results of theory, relative to the subject, in a form suited for practical application. \u003cbr\u003e\u003cbr\u003eThe deductions of European authors, made use of, have been modified to suit the conditions of our climate, practice, etc. \u003cbr\u003e","brand":"OGB","offers":[{"title":"Default Title","offer_id":47084578046192,"sku":"2940149054084","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940149054084_p0.jpg?v=1763712053","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940149054084","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}