1226 [supplement PAGE XII.] THE COLLIERY GUARDIAN. June 14, 1918. VENTILATION Good ventilation in office and workshop is as essential to your business as good machinery and skilled workpeople. THOSOXLEY |? Iron, Steel & Machinery Merchants, The Cyclone Ventilating System will ensure the best atmospheric conditions possible. It is economical to operate and requires practically no attention. A clean, pleasant atmosphere brightens the lot of the worker ; helps him to do more and better work ; and reduces the risk ot disease epidemics in the factory or office. YCLONE B2 SliiFoh Works, SHEFFIELD Fans and Motors are used for Venti- L --.'.jfek lating, Heating, Dry- ing, Induced Draught, Dust Collection and Removal, &c., &c. WE shall be glad to give you the benefit of our 3 years’ experience if you will write stating your requirements. Our experience is wide and our advice is free. Write to-day. You should have our Cata- logue 275E for reference. BUYERS OF SCRAP IRON, STEEL, METALS AND OBSOLETE PLANTS. A CONTINUAL STOCK OF SECOND-HAND MACHINERY THOROUGHLY OVERHAULED. -LIGHT AND HEAVY SECTION RAILS.- Telegrams—“IRONICAL, SHEFFIELD.” Telephone—4630 (6 Lines). atlhews 81&tesE Swir^pn .Manchester wnpnii1 QUALITY in SWITCH GEAR. UQUIB SWITCH GEAR of HIGH- CLASS MAKE and BOOB DESIGN. 1 t WRITE for LIST No. 60 with PRICES t and OUTPUTS. J. H. HOLMES & COL, Hewcastle-on-Tyne. JOHN WOOD & SONS, CE Engineers, BARLEY BROOK FOUNDRY, WIGAN. L, ■■ Telephone—No. “ 5 5 ” Wigan. Telegrams—“ Haulage, Wigan and Improved “ OUTSIDE BAND” FRICTION CLUTCH. Fitted with AUTOMATIC BRAKE 1M-H.P. “ENDLESS” W, . ....... : . Haulage Bears of every type. WINDING, PUMPING & AIR COMPRESSING ENGINES.