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Quick Repair of Pump at Time of Fire, Planer Jig for Grooved Plates

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Scientific American Magazine Vol 103 Issue 16This article was originally published with the title “Quick Repair of Pump at Time of Fire, Planer Jig for Grooved Plates” in Scientific American Magazine Vol. 103 No. 16 (), p. 300
doi:10.1038/scientificamerican10151910-300c