ACKNOWLEDGMENTS 
Ix the preparation of this work I have had the advantage 
of valuable help from many friendly sources. Technical 
and statistical information of great interest and value in 
connection with local conditions and historic details, for 
which 1 desire to express my best thanks, has been 
contributed by :— 
Mr. C. Augustus Carlow, of the Fife Coal Co., Leven. 
Mr. W. A. Clark, M.Inst.C.E., Aldridge, Staffordshire. 
Mr. Allan J. Grant, Director of John Brown & Co, 
Sheffield. 
Mr. T. E. Haslam, F.C.L.S., Secretary of the Sheepbridge 
Coal and Iron Co., Chesterfield. 
Mr. George Hatton, C.B.E., M.Inst.C.E.,etc., Stourbridge, 
Managing Director of the Earl of Dudley’s Round 
Oak Works. 
Mr. A. Henderson, Secretary of John Brown & Co., 
Clydebank. 
Mr. A. Kennedy, A.C.IS., Secretary of Joshua Buckton 
& Co., Leeds. 
Mr. D. Willson Lloyd, F.S.S., of Cardiff. 
Mr. E. Middleton, General Secretary of John Brown & 
Co., Sheffield. 
Mr. Henry Mond, Director of Brunner Mond & Co. 
Dr. Robt. Thos. Moore, Hon Secretary of the Scottish Iron 
Masters’ Federation, Glasgow. 
Mr. Nigel St. V. Norman, B.A., Metropolitan Railway 
Co., Pilot Officer, A.A.F. 
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