bl br c1">22-½ per inch.

  25 5.000 24 per inch. 19 per inch. 26 5.099 24-½ per inch.   27 5.196 25 per inch. 19-¾ per inch. 28 5.291 25-½ per inch. 21 per inch. 29 5.385 26 per inch.   30 5.477 27-½ per inch. 22 per inch.

DRAUGHT FOR YARN.

31. To know the draught for any number of yarn. Write the number you are spinning or want to spin, add two ciphers to it; divide that by the hank roving that you are spinning from, to get draught. Example; hank roving 225, No. yarn 18. Add two ciphers, (1800); divided by 225 gives 8 draught.

GEAR REQUIRED.

32. This is the way I was taught to figure draughts of different numbers of yarn. If you want to run another number with the same hank roving, multiply the smallest draught change gear by the number you are spinning, and divide that by the number you want to spin, and that will give you the gear required.

ROVING REQUIRED.

33. If you want to spin another number with same draught, write your number that you want to spin (as above) and divide that by the draught. That will give you hank roving required.

TO FIND DRAUGHT CHANGE GEAR.

34. Rule to find the draught change gear required. When you change from one number to another on a frame or mule, when the draught and roving both have to be changed, multiply the number of the yarn being spun by the hank roving desired, and that product by the number of teeth in the draught change gear; using that for a dividend. Then multiply the number of the yarn desired by the hank roving, using that for a divisor; that product divided will tell the draught change gear that is required.

TWIST GEAR.

35. The way I was taught to find the twist gear by square root of the number of yarn. Multiply the twist gear in use by the square root of the number being spun, and divide that product by the square root of the number you want to spin. That will give you the twist gear required.

TWIST PULLEY.

36. To get the twist pulley for another number of yarn. See what twist the pulley gives that you have on, and multiply the twist that you have in, by the pulley that is on, and divide that product by the twist you would like to put in to get the pulley required.

TWIST OF YARN.

37. To know how to get the exact twist in yarn. Have your roll belt tight, and band also. Count the revolutions of the spindle to the rollers once. Divide that by the circumference of the roll, which is 3-14/100 inches. Example. Say 86 turns to the rolls once. (3-14/100) 86.00 turns, (27-38/100) twists to the inch.

WEIGHT ON TOP ROLLS.

38. To know the weight on top rolls. You must measure the distance from where the stirrup is attached to the