to shape the in circular form by means of a suitable hand tool. It may | is moved over the saw against the gauge. edges of curved or irregular metal work. The casting to To facilitate the removal of the screws the holder may be then be placed upon the mandrel and turned true, and it is be finished… … temper drawn to a purple, over a Bunsen gas The 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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