work and copy-plate lent burrower in this yielding material. The razor-shell cartying any convenient form of tool-holder and slide; an generally make equal rotations; when the position of the dwells in a long tube in the sand which he has formed by his® ordinary short slide and Willis’ holder is… … gears with o similar wheel below it, metallic coating to the vessel is attached to a short stud or shaft, 8 Pema tm a complete preservative against having its bearings in a casting fast- their attacks. ened tothe slide rest saddle. At the Our illustration represents a lower end of the vertical…
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