Usage examples for W1

  1. For example, the lay constant for a frame with gearing like No. 4 combination and a 16 T. Reversing Shaft Change Gear is 437. 9. This divided by the number of teeth on the Lay Change Gear W1 will give the laps per inch on the bobbin. – Illustrated Catalogue of Cotton Machinery by Howard & Bullough American Machine Company, Ltd.