(36) 



799' Similar log of poplar or aspen. — The wood of Populus iremuloides Michx. 

 (Salicaceae — Willow Family). Native of North America. 



800. The preceding, with the bark removed and ready for cutting into chips 



preparatory to making the pulp. 



801. Mixed chips of spruce and poplar, prepared from the preceding. 



802. Newspaper stock, direct from the beater. — Composed of ground wood, 



sulphite, white chloride of lime, and water. From the sulphite mill. 



803. Unbleached soda pulp. — A pulp prepared from poplar chips by treatment 



with caustic soda and boiling in steam at a pressure of eighty pounds. 



804. The preceding, after being bleached with a solution of chloride of lime. 



805. Mechanical wood fiber. — Made from ground spruce chips, screened and pre- 



pared for transportation. 



806. Chemical wood fiber or sulphite. — Made from spruce chips by a chemical 



process, washed, screened, and prepared for transportation. 



807. Sulphite screenings paper. Paper made from the preceding. 



808. Newspaper stock. Wet Bioke. — The preceding pulp, formed into a web on a 



paper machine and removed before drying and calendaring. 



809. Newspaper print paper, made from the preceding. 



810. Novel paper. — Used for printing cheap editions of novels and other like 



literature. 



811. Coating. — A kind of paper made from specially prepared wood pulp, half 



spruce and half poplar. 



812. Magazine book paper. — Made from the same material. 



813. A wide roll of sulphite screening paper. 



814. A very heavy paper for various uses. 



815. Another thickness of the same. 



816. Carded middles. — Made of a mixture of paper and wood pulp. Used in 



making cardboard. 



817. The same, cut into sheets. 



818. Coated Manila board. For the same uses as the preceding. 



819. The same cut into sheets. 



820. A large roll of heavy wrapping paper. 



821. A smaller roll of the same. 



822. Hanging paper. — Made of the same materials as newspaper stock but mixed 



in different proportions. Used in the making of wall-paper. 



823. Mill wrappers. A strong, thick paper used for wrapping rolls of paper for 



shipment from the mills. 



824. Another sample of the same. 



825. Cotton waste as received at the paper mill from the cotton mill, to be used in 



making cotton pulp for paper. 



826. The same after treatment at the paper mill, being dusted, assorted, cooked 



under steam pressure, washed, beaten and bleached. 

 827-840. Straw paper and its products. These samples were presented by the 

 Dauch Paper Company, of New York City. 



827. Wheat straw. Used for the making of straw paper. 



828. The same after being boiled in lime water. 



829. Crude pulp from wheat straw. — The straw has been reduced to a pulp by 



sufficient boiling in lime water and the excess of lime then removed by 

 washing in water. 



