A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES. Vol. XII.-=No. 14. } NEW YORK, APRIL 1, 1865. lage irestepe kr (NEW SERIES.) … of great importance, as in many cases they re- LYON’S SELF-FEEDING HAND DRILL. quire to drill almost through the plate; and as the | the Scientific American Patent Agency on the 21st/are ready to be drawn or ‘pulled out,” the work drill will regulate this it is admitted by all who, of J anuary,…
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