k with the compass point. This device and its mode of application are shown in Fig. 2(i, in which A represents a gouge should be held in the left hand, and the slip in the TATTERN MAKING. right, the latter being supplied with clean oil. The back or thin tube with feet on it, provided with the… … clamp provided with a thumbscrew, E. D represents one of the compass legs. F is a piece of lead pencil which passes |i through the tube, A. The attachment is slipped on the com- pass leg, and the screw is tightened u]), clamping that leg to the feet, G G, and clamping at the same time the pencil in…
Patents · Improved · Water · Centennial · Scientific American · Phosphoric · Find directions · Driving shaft · Phosphoric acid · Small amount · Specific gravity · Professor wurtz · Solid emery · Molecular volume · Copy scientiflc
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