August 2, 1918. THE COLLIERY GUARDIAN. 215 ARCHIBALD BAIRD & SON LTD., Jk HAMILTON. Telegrams—Excello. » ~^Ta\ Telephone—No 57. TV. ~ Makers of — OUTTA PERCHA PUMP VI *■ BUCKETS, RINGS & WASHERS. AND ALL COLLIERY REQUIREMENTS. CRADOCKS WIRE ROPES works— WAKEFIELD, England Gun Metal Wheel Valve. Send bo-day For this handsome 64-page Book on BENNIS COAL & ASH PLANT THE largest and most compre- hensive catalogue on this subject ever issued. Every Colliery Owner, Engineer and Manager should be in possession of a copy. It can be had for the asking by mentioning this paper. ED. BENNIS & Co. Ltd., Little Hulton, Bolton, and 28, Victoria St., London, S.W. 1. Brass, Gun Metal, and Phosphor Bronze Castings. SAMUEL BIRKETT & SONS (Ckktaton) Lion Brass Works, CLECKHEATON. ltd. z —. --a IM Hailwood'5 , COMBUSTION TURt LAMP More Light means Cleaner Coal, Less Roof Accidents, and Freedom from Nystagmus. . . . = HAILWOOD’S _ Combustion Tube Lamp is cheaper, more reliable, and has greater candle power than electric lamps. LTD.