June 6, 1913 THE COLLIERY GUARDIAN. 118. ROPES AND BELTS TREATED WITH GLING-SURFACE CAN BE RUN SLACK WITHOUT SLIPPING EVEN IF DRIVES’ ARE OVERLOADED. & If CLING SURFACE can do this in other works, Why not in YOURS ? A 16 in. GANDY BELT, 30 in. Slack, 160 H.P. ■ > L. ■ .y.. ■< A ■ IN USE AT If YOU cannot get this result WE CAN. WASHINGTON COAL CO., (DURHAM Co.) Cling Surface used in this Colliery for Seven Years, MOST IMPORTANT BELT IN COLLIERY, Used for Ventilating Pit Sole British and European Agents— THOMAS & BISHOP, Telegrams: “ Velcling.” Tel.: 7046 Central. LONDON: 119-125, FINSBURY PAVEMENT, E.C. DUSSELDORF - - Stromstrasse CALCUTTA - 12a, Mission Row PARIS - - - 27, Rue Eugen Varlin LILLE - - - - 229, Rue Solferino RHODESIA ROTTERDAM MILAN BUDAPEST S. Sykes & Co. Boompjes 82 Via Moscova N. 10 VI Lovag v. 19.