Pulp and paper magazine of Canada . circulation of the pulp being diminish-ed too much. In a beater converted according to Schachtspatent the following speeds of pulp were determined: At ( thickness of pulp = m. At thickness of pulp = 1( m. At [ thickness of pulp = m. per min. NEW ROSSING MACHINE. A new cylindrical barking drum has been invented by-Mr. C. C. Hockley, Sulphite Superintendent of the Lauren-tide Company at Grand Mere. The cut shows the drumwhich is along the ideas to some extent of that recentlyinvented by Mr. C. Bache-Wigg, Jr. It is more like the
Pulp and paper magazine of Canada . circulation of the pulp being diminish-ed too much. In a beater converted according to Schachtspatent the following speeds of pulp were determined: At ( thickness of pulp = m. At thickness of pulp = 1( m. At [ thickness of pulp = m. per min. NEW ROSSING MACHINE. A new cylindrical barking drum has been invented by-Mr. C. C. Hockley, Sulphite Superintendent of the Lauren-tide Company at Grand Mere. The cut shows the drumwhich is along the ideas to some extent of that recentlyinvented by Mr. C. Bache-Wigg, Jr. It is more like thecontinuous drum now running at Carthage and inventedby Mr. Bache-Wigg, Sr. It is quite certain that the develop-ment promises to go to considerable lengths in this directionin barking wood for news print and wrapping the editor saw a drum working in Wisconsinwhich was giving great satisfaction although it was not acontinuous system such as this new invention of is. The economy in the wood amounts to 15%. to 2(1, and although they will not bark as clean as discbarkers, they are suited admirably for ground wood, newsand wrappings. The drum is essentially, as seen in thediagram, a long boiler open at both ends mounted on trun-ions and revolves at a speed sufficient to clean the bark offand wood. It has been found in other drums that slabsthe wood which have been cut and dried, can be barkedalthough, of course, riot as easily as wood taken from a is manufactured by the William Hamilton Co., Peterboro. , 1,069,445, A. Loose. Making cellulose acetate by impregnating cellulose with hydrazine sulphate, thenstirring with glacial HOAc and Ac 20 and sepg. the cellu-lose acetate from the mixt, , by pptg. with II 20. 7,893. E. BLOCH-PlMENTEL. Constructional de-tails of a combined steeping and pressing apparatus forthe production of alkali cellulose in the manufactureof viscose. Fr., 450,746. L. DESVAUX. In the manuf. of non-com-bustible pla
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaperma, bookyear1903
