March 9, 1917. THE COLLIERY GUARDIAN. 509 YEARS of STUDY To Colliery Proprietors. and EXPERIENCE HAVE BROUGHT MY SYSTEM OF CEMENTATION TO PERFECTION Shafts sunk, tunnels driven, & other mining constructions carried out in difficult and very wet ground by the best method. Success guar- anteed. 1 8 shafts completed in England, and 7 in progress. Ferro-Concrete Lining a speciality. Feeders of water in shafts or levels effec- tually treated. ROPE DRIVING FOR EFFICIENCY DURABILITY USE DIPLOMAS OF HONOUR BRUSSELS and TURIN. Illustrated Lecture on— “THE TRANSMISSION OF POWER BY ROPES.” Post Pree on Application. Telegrams: Kenyon. Dukinfield.” Telephone: 494 Ashton. LONDON OFFICE : 95 & 97, Finsbury Pavement, E.C. ALBERT FRANCOIS White House Chambers, DONCASTER. Telegrams—“Francois, Doncaster.” Telephone—408 Doncaster. ^Illllllllllllllllllllllllllllllllll Wm. KENYON & SONS Ltd., CHAPEL FIELD WORKS, DUKINFIELD, near MANCHESTER. Engineering Requisites Wificmcs can supply your requirements ILLUSTRATED LISTS WILL BE GLADLY SENT UPON RECEIPT OF APPLICATION. W. H. WILLCOX & Co. Ld 32-38, Southwark Street, LONDON, S.E. iHlIIIHIIiHliHIlillllllllllllillllllllllllHIiHlllluillilillHlIlilllllllllllllinillllllllllllliillliliiillll Pumps for all duties. T. Shore & Sons, Hydraulic Engineers, Stoke-on-Trent. PATENT AUTOMATIC I EVANS £r DODD ‘ I CANNOCK. REOSER ’ OVER 1