A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES Vol. 18. t Novel Device for Heating and Ventilating Railroad Cars. FRANCIS' CAR HEATING AND VENTILATING APPARATUS. Improvement in Mandrels for Turning. THE ICE TRADE. NAGLE'S PATENT EXPANDING MANDREL., scientific american, 1868-10-28
A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES Vol. 18. t Novel Device for Heating and Ventilating Railroad Cars. FRANCIS' CAR HEATING AND VENTILATING APPARATUS. Improvement in Mandrels for Turning. THE ICE TRADE. NAGLE'S PATENT EXPANDING MANDREL., scientific american, 1868-10-28
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