A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XXXIXNo. 7. HOLLY'S NEW PUMPING ENGINE AND AUTOMATIC PRESSURE REGULATOR. HOLLY'S NEW PUMPING ENGINE AND ATJTOMATIO PRESSURE REGULATOR, scientific american, 1878-08-17
A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XXXIXNo. 7. HOLLY'S NEW PUMPING ENGINE AND AUTOMATIC PRESSURE REGULATOR. HOLLY'S NEW PUMPING ENGINE AND ATJTOMATIO PRESSURE REGULATOR, scientific american, 1878-08-17
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