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# How To Use a McMorran Balance

A McMorran balance is used to determine the yardage of an unknown yarn. The McMorran balance consists of a rectangular box and a balancing arm.

Easy

5 minutes

#### Here’s How:

1. Place the McMorran balance on a level surface, such as on the edge of a table.
2. Set the pins of the small balancing arm into the small notches on the top of the box.
3. Lay a length of yarn in the notch of the balance, allowing the yarn to hang down towards the floor.
4. Using scissors start to trim the length of yarn, cutting x-about 1/2 inch at a time, until the balancing arm is level.
5. When the arm is level, remove the length of yarn from the balance.
6. Measure the length of yarn against a ruler.
7. Multiply the measurement x 100.
8. This measurement gives you the number of yards per lb. of yarn (ypp)
9. e.g. 6 inches x 100 = 600 ypp

#### Tips:

• McMorran balances are also available in metric measurements.
• If you are measuring bumpy, slub or a handspun yarn, the measurement may not be accurate due to inconsistencies in the yarn.

## Beginner Hand Weaving

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