May 25, 1917. THE COLLIERY GUARDIAN. 979 AERIAL ROPEWAYS ANY SYSTEM. FOR SALE OR HIRE. NAYLOR’S APPROVED BIFOLD MARSAUT LAMP. Gives the best light, is the best Gas Detector, and the Safest Flame Lamp procurable. BLAKEBOROUGH & SONS, BRIGHOUSE. We are Makers of A For all duties. N1* x the desired lightness, but is far more attractive in appearance. Hy-Rib is a Ribbed Steel Lath which needs supports at 10 ft. centres only, and readily takes 2 in. of cement plaster. Its use ensures the most rapid permanent con- struction possible, the building costs little or nothing for maintenance and is superior in every way to the usual type of building. Illustration shows the Sharlston Colliery Co.’s Pit Head Buildings, erected on this principle. Send for Handbook and learn of it» utility. THE TRUSSED CONCRETE STEEL C° Lro JllllllllllllllllILIIIillIlllIlllllllllllllllllllHIIIIIIIIIIIIIIIIIII Our fully illustrated and descriptive literature free for the asking. LITTLE HULTON, BOLTON ; AND lW ■■ 28, Victoria Street, BOk s.w. i. VERY early in the history of man^i came the necessity of moving things from one place to another. ' To-day the most successful boiler’ houses—those with the highest effi- ciency and lowest working cost—are* using “ Bennis ” Automatic Coal and ; Ash Handling Plant combined with: “ Bennis ” Stokers. Complete schemes’ prepared free to any requirement, and behind every one is the successful record of three quarters of a century’s experience. I G Co.,Ltd>-^ Hire terms fur- nished on appli- cation. NEW MINES ACT. Approved Miners’ Lamps TO MEET ALL REQUIREMENTS OF THE ACT. Arranged for Electric Ignition and with Mag- netic Lock. Particulars furnished on application. Demonstrations arranged by appointment. «/. H. NAYLOR, Central Brass Works, Established 1861. WIGAN. The British Ropeway Engineering Co. ltd., 7, MINCING LANE, LONDON, E.C. 3. Tele—CENTRAL 1 1250. It s all in the rigid Rib. Colliery Buildings No more unsightly buildings The nature of the ground in colliery districts necessitates a light type of building. weight account of ground trouble many unsightly structures of timber and corrugated iron have been erected. There is no longer any need for this. A building erected with Hy-Rib and structural steel not only gives 64, CAXTON HOUSE, WESTMINSTER, S.W 1