Periodicals; Chemical industry; Explosives; Dynamite;
Table of Contents: DuPont Gelatin Blasts Tunnels Under the Mississippi; Dynamite Extinguishes Mine Fire; The Blast Heard 'Round the World; Practical Explosives' Efficiency; DuPont Blasting Gelatin Not Low Freezing; Foresight and Hindsight; Lighting...
Vertical spindle wood shapers or routers give excellent results for both contour and step routing Lucite methyl methacrylate rein. On vertical spindle shapers, multiple blade cutters may be used. Square routing or shaping to templates, as shown,...
Caption text on photo: "Vertical spindle wood shapers or routers give excellent results for both contour and step routing 'Lucite' methyl methcrylate resin. On vertical spindle shapers multiple blade cutters may be used. Square routing or shaping...