23,425. Walker, S. Nov. 19. Gill boxes or frames for flax, hemp, jute, tow, &c., eapepially bobbin and fly frames, are provided with a guide or condenser K of the form shown between the last gill bar E and the drawing-rollers. A piece of sheet material is cut and bent so as to provide a groove in which the upper roller C may run, and a funnel-shaped aperture S extending from the last gill bar to the nip of the rollers. It is shaped to rest on the bottom drawing-roller B, and is extended upwards and provided with a heel H, which may be fixed to or rest loosely against the frame G.