by the Brown & It is mounted on a solid casting of box form, Sharpe Manufacturing Company, Providence, R. I. In designing this tool every care has been taken to combine lightness and simplicity with durability. The The engine is various parts are proportioned to withstand ‘the most severe usage to… … te the back column and are provided with screw adjust- AN AUTOMATIC CENTER PUNCH. ments. The cylinder and steam chest are cast in one piece and bolted to the top frame. The valve is of the The tool is self-contained, the striking mechanism be- double ported balanced type, and the piston is hollow,…
Shipbuilding -- Periodicals · Shipbuilding industry -- Periodicals
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