Articoli correlati a Moxon's Mechanick Exercises (Volume 1)
Sinossi
Book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1896. Not illustrated. Excerpt: ... These Ribs are to be between the upper and the under side exactly of an equal thickness, and both to lye exactly Horizontal in straight lines; For irregularities will both Mount and Sink the Cramp-irons, and make them Run rumbling upon the Ribs. The upper-sides of these Ribs must be purely Smooth-fil'd and PollisiVd, and the edges a little BeviFd roundish away, that they may be somewhat Arching at the top; because then the Cramp-irons Run more easily and ticklishly over them. The Cramp-irons are marked F in Plate 8. They are an Inch and an half long besides the Battering down at both ends as the Ribs were; They have three holes Punched in each Battering down, to Nail them to the Planck of the Coffin; They are about half an Inch deep, and one quarter and an half thick; their upper-sides are smoothed and rounded away as the Ribs. ^[. 16. Of the Spindle for the Rounce, described in Plate 9. at a. The Axis or Spindle is a straight Bar of Iron about three quarters of an Inch square, and is about three Inches longer than the whole breadth of the Frame of the Ribs,viz. two Foot two Inches: The farther end of it is Filed to a round Pin (as at a) three quarters of an Inch long, and three quarters of an Inch in Diameter; the hither end is filed away to such another round Pin, but is two Inches and a quarter long (as at b); at an Inch and a quarter from this end is Filed a Square Pin three quarters of an Inch long, and withwithin half an Inch of the end is Filed another round Pin, which hath another Male-Screw on it, to which is fitted a square Iron Nut with a Female-Screw in it. On the Square Pin is fitted a Winch somewhat in form like a Jack-winch, but much stronger; the Eye of which is fitted upon the Square aforesaid, and Screwed up tight with a Female-Screw. On the straig...
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