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Reynolds Trading, 21-22 Main Street, Ballyshannon, Co. Donegal, Ireland. |
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arts and crafts work, occasion often arises to cut a perfectly circular
hole in sheet copper or brass. To saw and file it out takes time and skill. Holes up to 3 in. in diameter can be cut quickly and accurately with an ordinary expansive bit. Fasten the sheet metal to a block of wood with handscrews or a vise. Punch a hole, with a nail set or punch, in the center of the circle to be cut, large enough to receive the spur of the expansive bit. A few turns of the brace will cut out the circle and leave a smooth edge. Contributed by James T. Gaffney, Chicago. Listing # 086 |
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Reynolds Trading, 21-22 Main Street, Ballyshannon, Co. Donegal, Ireland. |