November 13, 1914. THE COLLIERY GUARDIAN. 1045 IK8(e. TOW Coal Mines Regulation Act. General Rule 95. INDICATING SIGNAL BELLS. Mechanical or Electrical. Price and detail on application. E. C. THEEDAM LTD., DUDLEY. CORRUGATED and FLAT SHEETS and GALVANISED GOODS; TUB & CORNER PLATES; AIR PIPES and all Colliery Requirements. J. SUMMERHILL & CO., Beaver Works, WOLVERHAMPTON. SOLE MAKERS F. RED DAW AY & PENDLETON. MANCHESTER. LON DO N OFFICE 5O/l LIME ST., E.C. MECHANICAL ENGINEERING OF COLLIERIES. T c. peters Vol. I.. Price 2is. net. Vol. II., Price ios. 6d. net. SUPPLEMENTARY VOL.-Price ios. 6d. net. The Colliery Guardian Co. Ltd., 30 A 31, Furnival Street, Holborn, London, E.C. Established 1800. — BRASS TIME CHECKS JOHN LAWSON A SONS, Manufacturers of every kind of STEEL STAMPS, LETTERS, FIGURES, BRANDS, STENCIL PLATES, &c. Telephone No. 577 Roebuck Letter Works, 26, Carver Lane, SHEFFIELD. GILLOTT’S IMPROVED PATENT ROTARY COAL-CUTTING MACHINE. See Full Page Advertisement Monthly Sole Makers and Patentees— JOHN GILLOTT & SON, I^SLxi.ca.s'tei? Works, BARNSLEY, Send for Illustrated Circular B, post fro® Yorkshire, EZnglandL.