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«The dexterons hand and the thoughtful mind find their strength In union aloi

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imomm An Educational Treatise

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ear Drawing; machine design; working drawings; transmission ethtfbs; steam, electrical and metal working machines and parts; thes; boiler and parts; instruments and their use; tables, etc

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THEO. AUDEL & CO., 72 FIFTH AVFNUE, NEW YORK

PUBLISHERS