THE COLLIERY GUARDIAN. 645 September 27, 1918. OFFICE. HIRE service Prepared WEIGHT.— LONDON. ARRANGE TRIALS. UNSPILLABLE AND INTERCHANGEABLE. KEITH MINE FAN MILLS, NEWCASTLE.” LIGHT.—11 Candle Ion Avenue. APPROVED BY H.M. HOME STRONG-RELIABLE ---EFFICIENT.--- ualities which make the suitable for continuous 1 hese are KEITH I MINE VENTILATION, FORCED & INDUCED DRAUGHT, SMOKE MILLS & SONS VCASTLE-ON- TYNE. THE BUTTERLEY COMPANY LD„ P/T TRAM AND WAGON WORKS :■ Telephone: No. 67, 68, & 69, Ripley. Codnor Park, ALFRETON. Telegrams : “ Smedley, Ironville.” kx PIT TRAMS in WOOD or STEEL ■«% lit I®. ■ ■! ix'... *• OPEN. COLLIERY OWNERS and MANAGERS are invited to send for particulars of The BUTTERLEY PATENT ADJUSTABLE END. A NOVEL idea in pit trams. Designed to comply with the Coal Mines Act, 1911, and to facilitate loading. Can be Readily Fixed to Existing Trams. Girders Hydraulically Cold Straightened.