Table of Contents: Chemistry rescues wealth from industrial wastes. DuPont keeps step with progress in aviation; Creating a new vogue in boudoir accessories; Duco sits with the moderns; Quarrying practices; Prize winners all; Mining gold in...
Reports on the San Francisco powder market and powder sales. Gibbons and Lammot believe that tunneling companies will increase their demand for blasting powder in the spring. They have also heard repots of large nitrate of soda deposits in the...
Smith discusses making deposits, sending red tape, and obtaining a vessel to transport the first gunpowder order from Grinnell, Minturn and Company in New York.
Band saws are often used for cutting curves of large radius in Lucite methyl methacrylate resin. Because of the length of band saw blades, they dissipate heat more rapidly than do circular saws. Accordingly, they operate at lower temperatures and...
