Thread: how much beer in a keg

Yellow may be dyed with both natural and artificial dye-stuffs, and the recipes given will include examples showing the use of both kinds. Under each roller, where it is fixed in its place in the press, is a long copper trough or pan carrying the coloring material, and in the pan under the roller, and extending into the coloring matter, is an intermediate roller known as the "furnisher" roller, and, as the press revolves, this covers the surface of the copper roller with a heavy film of coloring. Sulphuric acid is not so satisfactory to use for the lime sour as hydrochloric acid, because it forms with the lime the insoluble sulphate of calcium, which is difficult to entirely remove from the goods, whereas the chloride is very soluble and is entirely eliminated from the goods by the washing that follows. When the work is dry, sand-paper down with fine paper, and apply one coat of shellac or cheap varnish. The first cotton comber was invented by a Frenchman of Alsace named Heilmann.