July 26, 1918. THE COLLIERY GUARDIAN. [supplement PAGE XI.] 203 COLLIERY BOILERS A SPECIALITY. Telephone No. 81. ARNOLD’S PATENT BULBOUS FLUE. One of these Boilers with Arnold’s Barrel Flues inserted has worked at Doncaster Corporation Electric Light and Power Station at 200 lbs. working pressure for 17 years without repairs. ? 7' ■t fT * K Established 185 6. HOPKINS ON-WE ST PATENT Expansion Safety Flue. Also TOLUOL PLANTS, BYE-PRODUCT PLANTS and CHEMICAL PLANTS erected and maintained. WM. ARNOLD & CO., "KT BARNSLEY. CRADOCK’S WIRE ROPES works- WAKEFIELD, England ARCHIBALD BAIRD & SON LTD. HAMILTON. Telegrams—Excello. Telephone—No 57. ioiepuuue—nu s»«. — Makers of — V GUTTA PERCHA PUMP VI BUCKETS, RINGS & WASHERS. AND ALL COLLIERY REQUIREMENTS. John Russell & Co. Ld ALMA TUBE WORKS, WALSALL OF ALL KINDS AND FOR ALL PURPOSES On Admiralty List of Contractors. ■ 1 ■ We are Specialists in Belting. Cl' Give us particulars of any drive and we will advise you the most suitable Belt. •I By adopting our method of Power Transmission your output will be con- siderably increased. Take advantage of our 84 Years’ Experience. Send for our “ H ” Dept. Illustrated Descriptive Catalogue. John Tullis & Son Ltd. BELTING SPECIALISTS, St. Ann’s Works, Glasgow