Chap. 12.]
MILL FOR HULLING RICE, &c.
213
eyes, one in each quarter, that the balance rope maybe hung to either.
2 screws with thumb-nuts, (that are turned by the thumband fingers) £ of an inch thick, and 3 inches long, forthe feet of the stay-iron.
2 do. for the end flights, 3£ inches long, rounded 1£inches next the head, and square l£ inches next thescrew, the round part thickest.
2 do. for the end sweepers, 6£ inches long, rounded 1inch next the head, \ inch thick.
2 do. for the hopper sweepers, 8£ inches long, and £inch thick, or long nails, with rivet heads, will answerthe purpose.
1 step-gudgeon, (fig. 15,) 2£ inches long below the ring,and tang 9 inches, £ inches thick.
1 plate, 4 by 4, and £ inch thick, for the step-gudgeonto pass through, (fig. 14.)
1 band for the step-gudgeon, 3£ inches diameter; fromthe outsides it has to pass through the stay-iron.
1 gudgeon and band, for the top of the shaft, gudgeon £inch, band 4 inches diameter, measuring the outside.The smith can, by the book, easily understand how tomake these irons; and the reader may, from these bills ofmaterials, make a rough estimate of the whole expense,which he will find trifling, compared with their uti-lity.
article 103.
A MILL FOR CLEANING AND HULLING RICE.
Fig. 2, Plate X. The rice brought to the mill inboats, is to be emptied into the hopper 1, out of whichit is conveyed by the conveyer into the elevator at 2,which elevates it into the garner 3, on the third floor;thence it descends into the garner 4, which hangs overthe stones 5, and supplies them regularly. The stonesare to be dressed with a few deep furrows, with but littledraught, and picked full of large holes; they must be set