91 



This crank is shown in the figure H. I, a traversing bar, 

 2 feet 10 inches long, | of an inch wide, of an inch 

 thick, playing through the posts BK : height of the post 

 from the frame 17 inches. 



L, an iron carrier of wire, No. 1, 18 inches long, fixed 

 to the bar I, to work free by a screw. The other end is 

 fixed by a burr to the pin passing through the centre of 

 the pinion H. 



MM. Two wire hooks or eyes, (rampins) 7f inches 

 apart, at equal distances from the ends of the traversing 

 bar through which they pass. The wires to the com- 

 mencement of the turns of the hooks are 5 inches in length. 



N. The reel ; arms, 2 feet 2 T \j. inches long in the 

 clear : l inches wide, and T 8 ^ of an inch thick ; rails, 

 20 inches long, 2 inches broad, T 8 ^ of an inch thick ; 

 two of the arms are jointed, to allow the skeins of silk to 

 be taken off when reeled and quite dry. There ought to 

 be an extra reel to put in the place of the one taken off 

 to prevent the work stopping. 



O. Upright support for the axle of the reel, on the ends 

 of which the pinion is fixed, to work with the wheel G, 

 at the end of the shaft E. The pinion of the axle has 

 22 teeth. P, an iron plate with four holes, 12 inches 

 long, slightly hollowed, projecting 3^- inches from the bar : 

 the outside holes are 3 inches from the ends ; from the 

 centre of one hole to that of the next, of an inch. 

 Distance from the two inside and nearest holes, 4^ 

 inches. 



Q. The copper basin to contain hot water, in which 

 the cocoons are immersed when reeling off. It is 18 

 inches long, 1 foot broad, and 4 inches deep. 



R. The furnace to contain charcoal, to keep the water 

 hot. 



Distance from the centre of the posts AB and OK, 

 36J inches. Circumference of the reel 6 feet 11 inches. 



Distance from the top of one arm, where it enters the 

 rail, to another arm, 18 inches. 



From the axle of the reel and the traversing bar I, 4 

 feet 8 inches. 

 8* 



