acement.” slide is a cord, which is led ove® guide rollers to a bar passes, while in the other fits the shank of af bar, If we take a torpedo boat as the model, then a vessel counter weight. The T square slides in two horizontal whose serrated head is slotted for the passage of the straight edges.… … Magnetic Clock. A‘curious application of the magnet is described in straight edge (the construction of which is clearly per view, the shank and its movable jaw may be slipped a French journal, the subject of it being a clock re- | shown in the center of the large view), which can be cently patented…
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