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...
automobiles; pamphlets; periodicals; roads; city & town life; traffic congestion; city planning; shopping centers; shopping; diagrams; maps; automobile driving
Bulletin 79. "Travel to Commercial Centers of the Washington Metropolitan Area," by Gordon B. Sharpe. and "Factors in Planning Regional Shopping Centers," by Kenneth C. Welch.