tramping drum (tramping drum)

manufacture of leather, a stuffing-wheel with hollow trunnions, through which warm air or steam is circulated into and out of the drum, while saturating in it a quantity of leather with oil. edge used to test the position of the spindle and millstone, and to test the surface of the stone. One form is called the red- staff , because it is rubbed with red chalk or other coloring matter, and leaves a red mark on all prominent points it encounters in pa - ing over the surface of the stone.