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Contents of PROCEEDINGS, No. A 509. June, 1905. 



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Page 



REPORT ON AN AREA OF LOCAL MAGNETIC DISTURBANCE IN EAST 



LOCH ROAG, LEWES, .HEBRIDES. By Captain Arthur Mostyn Field, Royal Navy 181 



THE DETERMINATION OF THE SPECIFIC HEAT OF SUPERHEATED 



STEAM BY THROTTLING AND OTHER EXPERIMENTS. By A. H. Peake, M.A., A.I.E.E. .. 185 



ON THE DISTRIBUTION OF VELOCITY IN A VISCOUS FLUID OVER 



THE CROSS-SECTION OF A PIPE, AND ON THE ACTION AT THE CRITICAL 

 VELOCITY. By John Morrow, M.Sc. (Vict.), M.Eng. (Liverpool), Lecturer in Engineering, University 

 College, Bristol ., .' 205 



THE THEORY OF PHOTOGRAPHIC PROCESSES, PART II : ON THE 



CHEMICAL DYNAMICS OF DEVELOPMENT, INCLUDING THE MICROSCOPY OF THE 

 IMAGE. By S. E. Sheppard, B.Sc., and C. E. K. MEES, B.Sc. (Plate 4) 217 



ON A NEW TYPE OF ELECTRIC FURNACE, WITH A REDETERMINATION 



OF THE MELTING-POINT OF PLATINUM. By J. A. Hakker, D.Sc, Joule Student of the Royal 

 Society, Assistant at the National Physical Laboratory, Teddington .. .. .. .. .. .. .. 235 



THE ATOMIC WEIGHT OF CHLORINE : AN ATTEMPT TO DETERMINE 



THE EQUIVALENT OF CHLORINE BY DIRECT BURNING WITH HYDROGEN. By Harold 

 B. Dixon, M.A., F.R.S. (late Fellow of Balliol College, Oxford), Protessor of Chemistry, and E. C. Edgar, 

 B.Sc, Dalton Scholar of the University of Manchester. (Abstract) .. .. 250 



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