Practical Exhaust and Blow Piping : A Treatise on the Planning and Installing of Fan-Piping in All Its BranchesPractical Exhaust and Blow Piping : A Treatise on the Planning and Installing of Fan-Piping in All Its Branches ebook online
Practical exhaust and blow piping:a treatise on the planning and installing of fan-piping in all its branches. W. H. Hayes. The sheet metal publication, 1918. 2nd ed., enl. .