Show Artificial Wood From Leaves al tl wood from dried leaves leaves- especially those of ot oak beech or birch Is Is a new product reported from Austria Austria Aus Aus- tria using even cheaper waste material material mate mate- rial than the sawdust already similarly similar similar- ly utilized The fhe leaves lea are ure finel finely ground mixed with a suitable binder shaped In molds under a n pressure 01 of O atmospheres and dried by heat heal while still under pr pressure The best binder Is stated to be viscose though this this may be strengthened by the of a n little glue gIne water glass s caseIn casein casein case- case In rosin or other substance The ground leaves are arc boiled d with soda lye Before mixing with the solution of viscose viscose vis vis- cose cose and ond the viscose nay Inny be prepared from rom a portion of the leaf lent powder b bj by treating with soda lye he and then with carbon disulphide Coloring matter r may be added to the leaf powder or orto orto orto to the pasty mixture Some filler may maj maybe be desirable for tor special purposes and the materials suitable Include asbestos asbestos asbestos tos earth wood flour and peat pent flour |