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Verfahren zum Ausgleich unregelmaessig anfallenden Abdampfes fuer den Betrieb ununterbrochen arbeitender mehrstufiger Apparate zum Eindampfen, Destillieren u. ae.
Bleaching and related processes as applied to textile fibres and otber materials. By J. Merritt Matthews. Pp. xi+ 676.(New York: Chemical Catalog Co. 1921.) Price 88 net