830 SUMMARY OF CURRENT RESEARCHES. 



Lebedew, P. — Melting-point Studies of some Bisilicates. 



[The author has applied metallographical methods to the investigation of 

 the equilibrium of some binary systems of silicates ; some excellent 

 photomicrographs are given.] 



Zeitschr. Anorg. Chem., lxx. (1911) pp. 301-24 (15 figs.). 



Mc Willi am, A., & \V. R. Barclay — The Adhesion of Electro-deposited Silver 

 in relation to the nature of the German Silver Basis-metal. 



Journ. Inst. Metals v. (1911) pp. 212-27 (5 figs.). 



Mason, W. — Liiders Lines on Mild Steel. Engineering, xcii. (1911) p. 81- 



Mat we jew, M. — Reagents employed in the Metallography of Iron. 



Joum. Euss. Met. Ges., 1911, pp. 301-2, 



Parravano, N. — Ternary System Silver-tin-lead. 



[The equilibrium diagram, determined by thermal and microscopical me- 

 thods, belongs to the same type as that of the copper-antimony-bismuth 

 system.] Atti R. Accad. Lincei, xx. (1911) 1, pp. 170-2. 



Primrose, J. S. G.— Metallography as an Aid to the Ironfounder. 



[The metallographical investigation of defects and of causes of failure is dis- 

 cussed ; numerous examples are given.] 



Foundry Trade Journal, xiii. (1911) pp. 525-30 (16 figs.). 



Putnam, W. P. — Malleable Annealing Temperatures. 



Foundry, xxxviii. (1911) pp. 283-5 (8 figs.). 



Sauveor, A. — Metallography and its Industrial Importance. 



Met. and Chem. Eng., ix. (1911) pp. 239-41. 



Sie verts, A. — Solubility of Hydrogen in Copper, Iron, and Nickel. 



[The solubility has been determined at pressures up to 1*5 atmospheres 

 and in the temperature range 400°-1600° C] 



Zeitschr. Phys. Chem. lxxvii. (1911) pp. 591-613 (2 figs.). 



Smith, C. A. M., & H. J. Humphries — Some Tests on White Anti-friction Bear- 

 ing Metals. Joum. Inst. Metals, v. (1911) pp. 194-211 (9 figs.). 



Stoughton, B. — Annealing and Manufacture of Converter Steel Castings. 



[The effect of annealing upon the coarse structure of steel castings is dis- 

 cussed.] Foundry Trade Journal, xiii. (1911) pp. 467-9 (7 figs.). 

 Wahl, W. A. — Chemistry of Meteorites. 



[A description of the microscopic structure of some meteorites is included.] 

 Zeitschr. Anorg. Chem., Ixix. (1910) pp. 52-96 (13 figs.). 



Weiss, P. — Magneton in Solid paramagnetic Substances. 



Comptes Rendus, clii. (1911) pp. 688-91. 



Winogradow, A.— Characteristics of Carbide of Iron. 



Journ. Russ. Met. Ges., 1911, pp. 296-8. 



