Periodicals; Chemical industry; Explosives; Dynamite; Textile industry; Dyeing;
Table of Contents: The most important communication the DuPont company has yet made to the American public; How dye problems can be worked out in the laboratory; Concentration of ores; Pyralin toiletware, a Christmas leader; Why twenty standar...
Periodicals; Chemical industry; Lumber industry; Dams; Defense industry; War work;
Table of Contents: Lavoisier, an estimate; Chemistry's new-born wood; Muck and millions; Potash, and a briny desert deep; An award from Hollywood; Moving a mountain to build a dam; The search-ray eye; What's new.