FOREIGN INDUSTRIAL NEWS: Thermalene; Platinum; Electrical Precipitation of Tar Fog; Magnetic Method for Testing Ferrous Metals; Tanning Material Deposits; Lactic Acid; Making Concrete Blocks; Automatic Stokers; The Höchst Dyeworks; Time Limit Fuses; Electrically Heated Boilers; Case-Hardening; Ozokerite; Determination of Light Hydrocarbons in Fat; Import Prohibition; Aluminates of Lime as Cement Material; New Indirect Unit for Industrial Lighting; Paper Thread; Luminous Paints; Coal from Sulfite Lye; Iron-Nickel Alloys; Aluminum Sheet and Sections; German Chemicals