319 (#415) ############################################ TESTING OF WOOLS, TOPS AND YARNS 7. Hank strength tester. * 8. Twist tester for short lengths. 9. Twist tester for long lengths. Io. Yarn examining machine with black and white cards for winding yarns on to; and II. Fine balances for accurate weighing. • SPUN.SILK AND - MERCOCOTTON • WOOLLEN Toz. -15oz: N 32 ELONCATION ELONGATION ARTIFICIAL SILK, •WORSTED: -12%202 7 (29/00 275 446 STRENGTH STRENGTH Fig. 97.-Graphs produced upon Neate's Extensometer” 66 A more elaborate equipment would contain :- (a) Photo-micrographic apparatus ; (6) Special microscopic attachments including polar- izer and analyser ; * In the cotton trade the standard Lea tests are 1800 · lbs. for Ring Warp; Counts Ібоо lbs. for Mule Warp; Counts and 1350 lbs. for Mule Weft Counts 319
10 12 Textile Machine
15 16 Textile Machine
21 22 Textile Machine
27 29 Textile Machine
74 75 Textile Machine