February 20, 1914. THE COLLIERY GUARDIAN. 397 Walter Scott Ltd. Leeds, LEEDS STEEL WORKS. England. KEITH INDUCED DRAUGHT PLANTS. MANUFACTURERS OF BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS, TRAMRAILS AND PERMANENT WAY RAILS, Ac. Pit Head Frame, k Erected in Works for inspection. Example of 10in. x bin. 421b, R.S. Joists curved for Framework to Roadway. ROLLED STEEL JOISTS for PIT PROPS, FRAMEWORK TO ROADWAYS, Ac. STRUCTURAL STEELWORK FOR BUILDINGS, &c. Mild Steel Blooms, Billets, Slabs, Tinbars, Rounds & Flats. Rolls cut for Special Sections and to approved quantities. Books of Sections and other information on application. Induced Draught Plant com- prising KEITH FAN and forced lubrication steam engine for four 8 ft. x 30 ft. Lancs. Boilers. James Keith & Blackman C° L™ 27, Farringdon Avenue, LONDON. And at Newcastle, Glasgow, Manchester, Leeds, &c. Published February 9th. TWENTY-EIGHTH YEAR. Containing all the latest information up to within a few days of publication. TME MINING MANUAL AND YEAR BOOK 1914. By WALTER R. SKINNER. The Standard Reference Work on Mines. /Price 15/- net. Post Free (Inland), 15/6. Post Free (Abroad), 17/- 1,500 pages. In Demy 8vo, bound in RED cloth. The Mining Manual and Mining Year Book is now the only book published giving complete particulars of Mining Companies operating in all parts of the world. A RECORD OF INFORMATION concerning 2,620 Mining Companies (Gold, Diamond, Silver, Cooper, Tin, Iron and other Mines. Collieries Lan I, Exploration, and Mining Investment Concerns, &c.k arranged in two sections : 890 AFRICAN (including Transvaal, Rhodesia, Cape Colony, Natil, Nigeria, West Africa, &c.) ; and 1,730 MISCELLANEOUS (including Australasia, Mexico, India, America, Europe, Russia, &c., and the Coal, Iron, Tin, and other Mining concerns of the United Kingdom). In addition, Tables of Crushings and Gold Outputs are given, also lists of Mining Directors, Secretaries, Mining and Consulting Engineers, Mine Managers and Agents, their Names Addresses, and Descriptions, and Names of the Companies with which they are connected, and a Dictionary of Mining and other terms. THE PARTICULARS given of each Company includes the Directors and other officials; date of establishment; seat of operations ; description of the property, with the purchase con- sideration ; plant erected or in course of erection; present working results; ore reserves ; details of capital; calls ; dividends paid; and the financial position as disclosed by the accounts. Highest and lowest prices of the shares for the last four years, also latest price. THE INDEX, which forms a highly important feature of the book, contains the names of over 5,220 Companies, consequently active, private, or dormant companies can easily be traced. CRUSHING TABLES and Gold Outputs from the principal mines are given at the com- mencement of the volume, showing tons treated monthly, results obtained and yield per ton ; also annual yields. Lists of DIRECTORS (6,003), SECRETARIES (1,360), Mining and Consulting ENGINEERS and MINE MANAGERS (1,300) include their addresses and descriptions and names of the Companies with which they are connected. To be obtained from all Booksellers, or direct from the Publisher, WALTER R. SKINNER, 13, Clements Lane, London, E.C. AND “FINANCIAL TIMES,” 72, Coleman Street, London, E.C. OPEN BRIDLE. Made also in Box Nose. r. THE “PONGARD” PONY SHIELD. For PROTECTING the EYES and HEADS of PIT PONIES. Supplied also in the form of hoods for fixing to old bridle. SIZES. Size i for 14 hands. Size o for 12 and 13 hands. Size 00 for 11 hands. TYPES. Type A with 1 in. Chole Band and Bit. Type B with ijin. Chole Band and Bit. Type C with ijin. Chole Band and Strap. Sample Bridle, Box or Open Nose, 11/3 Hood only ... ... ... ... 6/3 Special quotations for quantities. Sole Agents— LEGARD & SON, BARNSLEY and CHESTERFIELD. PREVENT GOAL MINE EXPLOSIONS MILL TEAR. PERCENTAGE OF “FLOUR” OR FINENESS. OUTPUT. IMPALPABLE POWDER. GIA FIT GRIFFIN Advantages— MAXIMUM MAXIMUM MAXIMUM Full particulars on application to— BRADLEY PULVERIZER CO., 37, WALBR00K, LONDON, E.C. Also extensively used for grinding COAL. LIMESTONE. PORTLAND CEMENT. PHOSPHATE ROCK. ORES OF ALL KINDS. MINIMUM POWER. MINIMUM WEAR AND No Auxiliary Apparatus required for Finishing the Product. Heavy Construction. OVER 3,000 GRIFFIN MILLS INSTALLED.