Common Commodities Series Con td. 



Knitted Fabrics. 



By JOHN CHAMBERLAIN and 



JAMES H. QUILTER. 

 Cordage and Cordage Hemp and 

 Fibres. 



By T. WOODHOUJSE and P. 



KILGOUR. 

 Carpets. 



By B. S. BRINTON. 

 Asbestos. 



By A. L. SUMMERS. 

 Photography. 



By W. GAMBLE, F.R.P.S. 

 Acids, Alkalis, and Salts. 



By G. H. J. ADLAM, M.A., B.Sc. 

 Silver. 



By B. WHITE. 

 Electricity. 



By B. E. NEALE, B.Sc. (Hons.). 

 Butter and Cheese. 



By C. W. WALKER TISDALE 



and JEAN JONES 

 Paints and Varnishes. 



By A. S. JENNINGS, F.I.B.D. 

 Aluminium. 



By G. MORTIMER, M.Inst.Met. 

 Gold. 



By B. WHITE. 

 Stones and Quarries. 



By J. ALLEN HOWE, O.B.E., 



B.Sc., M.I.M.M. 

 Lead. 



By J. A. SMYTHE, Ph.D., D.Sc. 

 The Clothing Industry. 



By B. W. POOLE, M.U.K.A. 

 Modern Explosives. 



By S. I. LEVY, B.A., B.Sc., 



F.I.C. 

 The British Corn Trade. 



By A. BARKER. 

 Engraving. 



By T. W. LASCELLES. 

 Telegraphy, Telephony, and 



Wireless. 



By JOSEPH POOLE, A.M.I.E.E. 

 The Raw Materials of Perfumery. 



By ERNEST J. PARRY, B.Sc. 

 Cold Storage and Ice Making. 



By B. H. SPRINGETT. 

 The Electric Lamp Industry. 



By G. ARNCLIFFE PERCIVAL. 



Gloves and the Glove Trade. 



By B. E. ELLIS. 

 The Jute Industry. 



By T. WOODHOUSE and P. 



KILGOUR. 

 The Film Industry. 



By DAVIDSON BOUGHEY. 

 The Cycle Industry. 



By W. F. GREW. 

 Drugs in Commerce. 



By J. HUMPHREY, Ph.C. f 



F.J.I. 

 Cotton Spinning. 



By A. S. WADE. 

 Sulphur. 



By H. A. AUDEN, D.Sc. 

 Ironfounding. 



By B. WHITELEY. 

 Textile Bleaching. 



By ALEC. B. STEVEN. 

 Alcohol. 



By C. SIMMONDS. 

 Internal Combustion Engines. 



By J. OKILL, M.I.A.E. 

 Hats. 



By H. INWARDS. 

 Velvet. 



By J. H. COOKE. 

 Dyeing of Fabrics. 



By A. J. HALL. 

 Concrete. 



By W. NOBLE TWELVETREES, 



M.I.M.E., A.M.I.E.E. 

 Wine and the Wine Trade. 



By ANDR L. SIMON. 

 Wall Paper. 



By G. WHITELEY WARD. 

 Sponges. 



By E. J. J. CRESSWELL. 

 Clocks and Watches. 



By G. L. OVERTON. 

 Incandescent Lighting. 



By S. I. LEVY, B.A., B.Sc. 

 Oil for Power Purposes. 



By SIDNEY H. NORTH. 

 The Fishing Industry. 



By DR. W. E. GIBBS. 

 Starch and Starch Products. 



By H. A. AUDEN, D.Sc., F.C.S. 

 Talking Machines. 



By OGILVIE MITCHELL. 



22 



