Excerpt from Practical Exhaust and Blow Piping: A Treatise on the Planning and Installation of Fan-Piping in All Its BranchesThe author of this work is possessed of rare qualifications to treat his subject in a thoroughly practical manner, through long and diversified experience acquired during his connection With one of the largest blower concerns in the United States. Upon the urgent request of the pub lishers he was induced to prepare the t...
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