Chambers's Elementary Science Readers - Book I by Various
page 140 of 149 (93%)
page 140 of 149 (93%)
|
1. Paper is one of the most useful things we have. It is made of old rags which are torn to pieces by a machine. Lime is put in to make them white. 2. The pulp, as it is called, is then formed into sheets and pressed. It is then covered with _size_, and pressed again to make it smooth and glossy. 3. Blotting-paper and other kinds not used for writing upon, are not sized. Brown paper is made of old canvas and sacking. 4. Before paper was made, people used to write upon the inner bark of trees, and the thin skins of animals made sweet and dry, and called parchment. _Write and learn:_ Writing-paper is-- Smooth. Glossy. Fine. Blotting-paper is-- Soft. Unglazed. Porous. Brown paper is-- |
|