October 16, 1914. THE COLLIERY GUARDIAN. 845 REG? TRADE MARK MEN ON. rWEf E. C. THEEDAM Coal Mines Regulation Act. General Rule 95. INDICATING SIGNAL BELLS, Mechanical or Electrical. Price and detail on application. 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. REDD AM AY & f? PENDLETON. MANCHESTER. LONDON OFFICE 5O/l LIME ST.,E.C. MECHANICAL ENGINEERING OF COLLIERIES. T.c. PBJTERS Vol. 1., Price 2is. net. Vol. 11., Price 10s. 6d. net. SUPPLEMENTARY VOL.-Price 10s. 6d. net. The Colliery Guardian Co. Ltd., 30 A 31, Furnival Street. Holbom. London, K.C. Established 1800. — Telephone No. 577, BRASS TIME CHECKS JOHN LAWSON A SONS, Manufacturers of every kind of STEEL STAMPS, LETTERS, FIGURES, BRANDS, STENCIL PLATES, &C. 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, Lancaster 5AToz*ks9 BARNSLEY, Send for Illustrated Circular B, post free Yoi*ksli.ix*e9 England.