In their coarsest forms such striae are readily visible to the unaided eye, but finer ones escape detection unless special means are taken for rendering them visible; such special means conveniently take the form of an apparatus for examining the glass in a beam of parallel light, when the striae scatter the light and appear as either dark or bright lines according to the position of the eye.
The dry sugar then passes into a rotating screen fitted with two meshes, so that three grades of sugar are obtained, the coarsest being that which falls out at the lower end of the revolving screen.
Tolerable hostelries now came into existence, but they furnished only shelter, fuel and the coarsest kind of food.
But now the larger part of the cotton goods used in India is manufactured in mills in that country or in England, and the handloom weavers' output is confined to the coarsest kinds of cloth, or to certain special kinds of goods, such as the turbans and " saris " of Bombay, or the muslins of Arni, Cuddapah, and Madura in Madras, and of Dacca in Bengal.
His table of springs of actions shows the same mean-spirited omissions that we notice in his predecessors; he measures the quantity of pleasures by the coarsest and most mechanical tests; and he sets up general pleasure as the criterion of moral goodness.