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PAPERS. 



finenefs, by means of the regulatmg fcrew, Z, ^A^hvch, by 

 fc^ewin^ k further through the arm, M, will make the 

 files fmfr, and vice -verfa'hj unfcrewing it a httle, will 

 ^Ike them coarferj for the arm GG, can by that means, 

 Cve 1 berTy to rrfe%he higher, which will occahon the 

 arm PP with the claw, to move further along the per - 

 Zy r/ the ratch-wheel, and confequendy commumc^ 

 i more extenfive motion to the carnage CCCQ and make 



the files coarfer. 



When the machme is inus auju.iw*,^ ^"-— ^ 



cut a fi e\^th more exadnefs than can be done m the ufiial 

 'm thod ^ilh the keeneft fight; for, by ftnkmg with a 

 hammer on the head of the cutter or chifel BH, all the 

 tTr^ n" are fet at work, and, by-peating the firok 

 with the hammer, the files on one fide will at length be 



::;?r Weal Vlll! E':iay^-ad-o wo* by w^^^ 



ifZ^l q'al"; an* r=™lagLble = And as to the 



the e'P^"ly,.'r^„,g{ thefeveral parts, I fliall leave 



TalTth ud "nf an" Ll of the aA, who njay have 

 *cafion to make one, only obfervlng, that the wole ftould 



be capable to bear a good deal of violence. 



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