Instruction book on ring spinning

by Francis L. Lincoln

SQUARE ROOT.

30. Square Root of numbers from 18 to 30.—These twists are within a fraction.

NUMBERS	SQ ROOT	Warp Twist	Filling Twist
13	3.605	15 per inch	11-½ per inch.
14	3.741	15-½ per inch.	12 per inch.
14	3.741	15-½ per inch.	12 per inch.
18	4.242	19 per inch.	15 per inch.
19	4.359	19-½ per inch.	15 per inch.
20	4.472	20-½ per inch.	15-½ per inch.
21	4.582	21 per inch.	16 per inch.
22	4.690	21-½ per inch.	16-½ per inch.
23	4.796	22 per inch.	17 per inch.
24	4.899	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.