March 2, 1917. THE COLLIERY GUARDIAN. 423 AERIAL ROPEWAYS ANY SYSTEM. The British Ropeway Engineering Co. Ltd., 7, MINCING LANE, LONDON, E.C. Tele—CENTRAL 1 1250. “HAL LITE” High-Pressure Steam Jointing. An installation of “ Bennis ” Machine Stokers reducing labour and ensuring highest efficiency. A ‘A sSl V - .. . STOCKED BY Millfurnishers, Ironmongers & Shipchandlers, &c. HALL & HALL, 47, Leadenhall Street, London, E.C. Telegrams—“ Turps, London.” Telephone—Avenue 6366 (3 lines). We are Makers of For all duties. J. BLAKEBOROUGH & SONS, ™ BRIGHOUSE. HP HE “ Bennis ” System of Coal 1 Elevating and Conveying com- bined with “ Bennis ” Stokers and Ash Removal Plant is the last word in scientific Boiler House Practice. Write to-day for fully illustrated and descriptive pamphlets. Ed. Bennis & Co. Ltd., Little Hulton, Bolton, & 28, Victoria St., S.W. - Davenport Engineering Co. Ltd. Harris St., “ Humidity, Bradfc BRADFORD. LONDON OFFICE: 52, Caxton House, S.W. HOLEHOUSE’S PATENT COOLING TOWERS. Made at our own Works and constructed on the best engi- neering lines. Coolers all made to standards and a number kept in stock for quick delivery. The best constructed irrigation system on the market. L V ■/ ■ 'L / ’ ■ AI f / J