CONTENTS. XXXIX 



Guillet, L. — Constitution of Manganese Cast Irons 261 



Benoofgh, G. D. — Heat Treatment of Copper-zinc Alloys 262 



Howe. H. M., & B. Stoughton — Piping and Segregation 262 



Lambert, W. J. — Measurement of Extension of Tensile Test-pieces 262 



Hancock, E. C. — Recovery of Steel from Overstrain 262 



Williams, W. B. — Influence of Stress on the Electrical Conductivity of Metals .. 262 



Bibliography 263 



Guillet. L. — Importance of Centring in Microscopic Metallography 393 



Breuil, P. — Constituents of Quenched, Steels .. .. .. .. :!93 



Smith, S. W. J. — Tliermomagnetic Analysis of Meteoric and Artificial Nickel-iron 



Alloys ' 394 



Rose, T. K.— Alloys of Gold and 'Tellurium 394 



Hackspill. L.— Platinum-thallium Alloy 394 



Maurer, E. — Austenite 394 



Goerens, P — Application of Colour Photography in Metallography 395 



Bibliography .. • 395 



Friedrich, K.— The Metallic Sulphides PbS, Cu 2 S, Ag. 2 S, FeS 522 



Benedicks, C. — Solubility of Graphite in Iron .. .. 522 



Tschernoff, D. C. — Crystals of Diamond and Carborundum in Steel 522 



Portevin, A. — Nickel-bismuth Alloys 522 



Alloys of Silver 522 



Chatalier, H. le, & F.Osmond — Constituents of Steel 523 



Metallography at the National Physical Laboratory 523 



Wust. F. — Influence of Phosphorus on the Iron-carbon System 524 



Goerens, P.. & N. Gitowsky — Solidification and Melting of Cast-iron 524 



Friedrich, K., & A. Leroux — Binary Systems. Platinum-arsenic and Bismuth- 

 arsenic 524 



Friedrich, K. — Cohalt-arsenic Alloys 524 



Oberhoffer, P., & A. Medthen — Specific Heat of Iron-carbon Alloys 525 



Portevin, A. — Use of the Differentia! Galvanometer 525 



Grabe, A. — Influence of Nitrogen on Steel 525 



Kyrloff, J de — Phosphoric Steels . .. 525 



Guertler, YV., & E. Rfdolfi — Formula of Metallic Compounds . 660 



Bohler, R. — Selective Colouring .. 660 



Friedrich, K. — Cobalt sulphur Alloys 660 



Kurnakow, N. S., & N. S. Konstantinow — Antimonides of Iron and Cadmium 660 



Sackur, O.. & H. Pick— Copper-tin Alloys 660 



Pelabon, H. — Tellurides of Arsenic and Bismuth 661 



Belloc, G. — Occluded Gases in Special Nickel Steel 661 



Arnold, J. O. — Factors of Safety in Marine Engineering 661 



Huntington, A. K., & C. H. Desch — Planimetric Analysis of Alloys 661 



Stanton, T. E. — Neio Fatigue, Test for Iron and Steel 662 



Rosenhain, W. — Metallurgical and Chemical Laboratories in the National Physical 



Laboratory 662 



Law, E. F. — Application of Colour-photography to Metallography 663 



Hess, E. — Microscopic Features of Hardened Supersaturated Steels 663 



Levy. D. M. — Iron, Carbon, and Sulphur 663 



Saklatwalla, B. — Constitution of Iron and Phosphorus Compounds 663 



Gulliver, G. H..— Cohesion of Steel 782 



Edwards, C. A. — Function of Chromium and Tungsten in High-speed Tool-steel .. 782 



Longridge, M. — Test of Plate* from an Old Boiler 782 



Guillet, L., & others — Copper-aluminium Alloys 782 



Ziegler — Hardness of Constituents of Alloys 782 



Chatelieu, H. le — Troostite 783 



Fremont, C. — Corrosion Tests of Iron and Steel 783 



Kourbatofp — Metallography of Quenched Steels 783 



Maurer, E., & H. le OhateLiER — Quenching and Tempering of Iron and Steel .. 784 



Robin — Alumina for Polishing 784 



Bengoigh. G, D., & O. F. Hddson— Heat-treatment of Muntz Metal 784 



Howe, H. M. — Carbon-iron Diagram 785 



Vogel, R., & G. Tammann — Vanadium-iron Alloys 785 



Fraenkel, W. — Silicon-aluminum, Alloys 785 



