working the matrix. This forms a Muller, of this city. Several mproved fea- stem, which has ratchets or notches upon cussion is often injurioustothe machine. This very complete machine. Measures have been tures are added to the form of moulds in com- each side of it, by which it is raised. Two… … ken measures to secure a patent. The avnexed engravings represent a rock the cross-head, F, which cross-head bears at of the water vial (in consequence of the holes SS drilling machine used for thorough-cuts on rail- its lower side a hollow mandrill, G, into the being unitormly straight) must…
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