brass: that is tosay, To give the required form to various patterns, recourse ness if required; but if good spread be given to the legs, so a mixture of five parts copper, one part tin, and one quarter must frequently be had to that useful machine, the lathe. that they may form an angle of about… … ing operated vpon, to say nothing of the trouble of extract- the weights may be dispensed with; and at the same time ing the stub from the mandrel when the work is cut off. more space will be occupied, so that it may not be possible at Another purpose served by the long bore is that it will form…
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