500 Plain Answers to Direct Questions on Steam, Hot Water, Vapor and Vacuum Heating: The Science and Practice of Heating Explained in a Series of Plain Questions and Answers, with Tables, Rules and General Information, Forming a Complete Text Book and Manual. A Help to the Apprentice and Journeyman Steam Fitter in Preparing for Examination. A Reference Book for Master Steam Fitters, Architects and Heating Contractors
Alfred Grant King
Free