el C. Camp’s improvement in Tweres. Fig. 1 is broad band made by connecting together at a perspective view of the whole Twere, and great care and experience. Every improve- their ends a series of light rods, the upper fig. 2, are views of the different sides of the ment, therefore, however simple,… … to many of our readers who are engaged in Hi volves, which is done by acog wheel on the metallurgy. driving wheel shaft meshing into another con- Ist. He produces a metal equal to the refi- red, in a most beautiful manner, for by turn- This Twere combines the pre-eminent qua- nected to the shaft…
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