July 24, 1914. THE COLLIERY GUARDIAN. 223 REG? TRADE MARK ?A1SE E. C. THEEDAM Coal Mines Regulation Act. General Rule 95. INDICATING SIGNAL BELLS. Mechanical or Electrical. Price and detail on application. LTD., DUDLEY. ANNALS OF COALMINING & THE COAL TRADE. BY ROBERT L. CALLOWAY. Price 25s. net. THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C. EDWIN COTTAM & Co. LTD Cardiff & Rotherham. SOLE MAKERS F. RED DAW AY & f? PENDLETON. MA/VCtt£ST£Z?. LONDON OFFICE 5O/l LIME ST.,E.C. LAMINATED RAILWAY CARRIAGE AND WAGON SPRINGS, VOLUTES, CONICALS, SPIRALS, &c. STEEL CASTINGS. Bute Steel and Spring Works, CARDIFF. Don Spring Works, ROTHERHAM. Don Steel Foundry, ,, GILLOTT’S IMPROVED PATENT ROTARY COAL-CUTTING MACHINE. See Full Page Advertisement Monthly Sole Makers and Patentees— JOHN GILLOTT & SON, T^a>xxcsi>stex> Works, BARNSLEY, Send for Illustrated Circular B, post free* Yoi?kslxii*e9 England.