eck and the points of historical evidence of the date of this remarkable jaw, and the back plate, F,slidesin the rabbet. This the shoulder. The tug frame, as seen in the cut, shower is quite conflicting, but from this confusion plate also has holes for pins which pass through the projects… … By the use of these adjustable and removable jaws sible perturbations, and ir- the machinist can dispense with the cumbreus.inde- regularities in structure of pendent jaw chuck, which would be especially de the group, may overthrow these calculations, and any pressure. The inventor claims that, by…
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