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SSSSSSSASSSSY ulpment eed Y Z Generating Planer—Power Press—Wireless Meter— Electric Drill—Multiple Spindle Drill—Punching, Trimming and Shearing Press— Pipe Bending Machine OR machin- ing heavy marine work having an irregu- lar contour, and for all kinds of heavy keyseating, the slotter or up- right generating planer is one of the most useful machine tools to be found in the marine engine builder’s machine shop. The slotter is especially adapt- ed for planing to a scribed __line, owing to the fact that the cutting stroke is always downward. For this reason, the cutting action of the tool does not throw up heavy burrs that tend to obliterate the line to which the ma- chinist is work- ing. The slotting machine shown in the accompanying illustration was recently developed by the Newton Machine Tool Works, Philadel- phia. The platen, which is circular in shape, has three movements, all controlled by power feeds. It can be rotated for planing arcs or fed in and _ out and longitudinally for working to straight lines. It is of substantial coOnstructron throughout and is designed to work to maximum ca- pacity. The ma- chine is driven with a_ reversing type planer motor which runs at a speed between 400 and 1200 revolu- tions a _ minute. The reversing at the end of the cutting and return strokes is accom- plished by the stroke control disk shown in the illus- tration. The trips on this disk can be operated by hand if desired, while the machine is in motion. This is desirable under some conditions as the drift of the motor has to be compensated for. MARINE WORK AND SOME OF THE CHIPS CUT IN ACTUAL PRACTICE UPRIGHT GENERATING PLANER ESPECIALLY ADAPTED FOR 211 as 5 A aia al be a cri