CURRENT INDUSTRIAL NEWS: Niter Cake; Petroleum in the British Empire; Potash Lye; Oil Clarifier; Canada's Export Trade; Irrigation Plant; Recovery of Solvent Naphtha; Pure Bismuth; Various Classes of Engines; Register of Overseas Buyers; Industrial Uses of Bismuth; Russian Monazite Sand Deposits; Mineral Output of Great Britain; Effect of Insulation on Steam Drums; Hardening Carbon Steel; Tungsten Filaments; Tar–Still Corrosion by Chlorine; Cotton–Sampling Machine; The Long–Range Gun; British Board of Trade

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