790 THE COLLIERY GUARDIAN. April 20, 1917. THE BRITISH EXPLOSIVES SYNDICATE LTD. 124- ST VINCENT STREET GLASGOW THAMES POWDER N° 2 Charge Limit 22 Ounces NEEDS NO THAWING Telephone—4560 (two lines). Telegrams—“ Belting, Sheffield.” RENTON HOLDSWORTH & CO. LTD., Belting and Rubber Manufacturers, Offices: NORFOLK STREET. SHEFFIELD. Works : SYCAMORE STREET Speciality s CONVEYOB BELTING. DRIVING BELTS. GEORGE BURNSIDE, • *>. o.‘ A Burnside’s Safety Boring Apparatus. Used most success fully in tapping old Mine Workings. Apply for Catalogue. Rock and Stone Drilling Machines: Drills to any Size. Also Eye Guards for Pit Ponies. Boring Tool Works, Shiney Row, Fencehouses, CO. DURHAM. B“s SUPERHEATERS r /a a jl SAVE IO to 20% of COAL. OVER 1,600 WORKING. SUPERHEATER APPLIED TO LANCASHIRE BOILER. ■ O I* J ..MB MAKERS of SUPERHEATERS FOR ALL TYPES OF BOILERS. Experts on Piping Installations, etc. Send your Enquiries to BOLTON’S SUPERHEATERS Ltd. (Late A. BOLTON & Co.) Heatizer Works, Trafford Park, MANCHESTER. Tele, No, 649 Trafford Park, Telegrams : “Heatizer,” Manchester, SAVES ONE WAGON OF COAL IN EVERY FIVE. Reduces the Coal Consumption 15 to 20 per cent Every Ton of Coal saved by the Econo- miser at a Colliery is another Ton for Sale at Market Price. Write for Pamphlet “BQ” to E. GREEN & SON LTD., WAKEFIELD, England. THE WH1TECR0SS CO. WARRINGTON. Ltd. ESTABLISHED 1864, Manufacturers of All Descriptions of WIRE & WIRE ROPES Codes Al, ABC. 4th & 5th Editions. LIEBERS, WHITECROSS, WESTERN UNION. Telegrams— WHITECROSS, WARRINGTON. T elephone— Nos. 9, 10 & II. TYNOS. “Bitromarc” Solution A highly efficient Bituminous, Anti- Corrosive Black Enamel Paint for Iron and Steel Structures, Corrugated Iron, Ships* Holds, Bunkers. &c. SOLE PROPRIETORS g S. T. TAYLOR & SONS, Tynos Works, SCOTSWOOD-ON-TYNE. Tel. No.: 65 Central. Tel. Addren : “ Compo, Scetswood.” Merchants. <4/ J. S. UNDERWOOD « C Cotta Mill Row, SHEFFIELD. , Telepho e— Telegrams— X 3573. METALLOID./ X CANNOCK PUMPS for all duties. T. SHORE and SONS, Hydraulic Engineers, STOKE-ON-TRENT.