. The drill holder, B, is held by a be polished on two of its sides, when the temper may be that 10 gas burners, each using 140 liters of gas per hour, mortised post placed in the rest support. The slot of the drawn in the flame of an alcohol lamp or Bunsen gas burn- are equivalent to 11 Carcel… … surfaces. The tool shown in candle to be 73 centiimes Fig. 7 should be made right TURNING TOOLS. (about 14 1-8 cents). The and left; it isuseful in turn- electricians count upon a ing brass, ivory, hard wood, etc. Fig. 8 isa separating tool; considerable reduction in the amount of motive force and…
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