to shape the is moved over the saw against the gauge. in circular form by means of a suitable hand tool. It may edges of curved or irregular metal work. The casting to then be placed upon the mandrel and turned true, and it is To facilitate the removal of the screws the holder may be be finished is… … temper drawn to a purple, over a Bunsen gas Tbe Ventilation of" Ships at Sea. METAL SHAPING. flame, over the flame of an alcohol lamp, or The Board of Naval Officers, consisting of over a hot plate of iron. The small saw shown Commander Beardslee, Medical Inspector Gibbs, in Fig. 4 is easily made…
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