Inside Out Library · Explore

Scientific American, Vol. 44, No. 18 (April 1881) (1881)

leaf 4

An illustration from Scientific American, Vol. 44, No. 18 (April 1881), 1881, leaf 4
dandy roll. When the dandy roll is The boiling is effected now generally in rotary boilers, of in the past ten years, and American skill, inventive genius, a capacity to hold 3,000 to 6,000 pounds of rags, the solu- and business capacity have each found admirable illustration tion being poured in… … vat. After the rags have been submitted to the process for a time, the roll is so lowered that its blades reduce the covered with plain woven wire cloth, what is called ness in paper worth mentioning, while our imports amounted stock to finer fibers than would be effected in its first to more than…

Patents · Color · Beetles · Manufacture · Patented · Scientific American · Water · Illustrated catalogue · Cubic yard · Stag beetle · Hydraulic lime · Rotary horizontal · Trade catalogs · Owen paper · Patent steam · Cotton seed

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 44, No. 18 (April 1881)

More like this