es will effect the object. such a shape that it farnishes a metallic bearing surface ‘This is a most simple and effectual manner of gradua- for the cutting bit, and also the requisite supporting and Scientific American, guiding bearings forthe screw, ¢. The screw-shank of ting the force of the… … To mail subscribers: Two Dollars a Year, or Ong Dollar for Six and the hammer easily brought Months, One Dollar pays for one complete volume of 416 nage thro volnmes compriseone year. The volumes commence on the frst into contaet with the lifter. of Jastane and JULY. Club Rates, ‘The patentee…
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