26 



Engineering, Smoke Prevention 

 and Metallurgy. 



THE PREVENTION OF SMOKE. Combined with the 

 Economical Combustion of Fuel. By W. C. Popplewell, M.Sc, 

 A.M.Inst., C E., Consulting Engineer. Forty-six Illustrations. 190 pp. 

 Demy 8vo. Price 7s. 6d. : India and Colonies, 8s. ; Other Countries, 

 8s. 6d. , strictly net. 



Contents. 



Fuel and Combustion— Hand Firing in Boiler Furnaces— Stoking by Mechanical Means- 

 Powdered Fuel— Gaseous Fuel— Efficiency and Smoke Tests of Boilers— Some Standard 

 Smoke Trials— The Legal Aspect of the Smoke Question— The Best Means to be adopted for 

 the Prevention of Smoke — Index. 



GAS AND COAL DUST FIRING. A Critical Review of 



the Various Appliances Patented in Germany for this purpose since 

 1885. By Albert Putsch. 130 pp. Demy 8vo. Translated from the 

 German. With 103 Illustrations. Price 7s. 6d. ; India and Colonies, 

 8s. ; Other Countries, 8s. 6d. ; strictly net. 



Contents. 



Generators — Generators Employing Steam — Stirring and Feed Regulating Appliances — 

 Direct Generators — Burners — Regenerators and Recuperators — Glass Smelting Furnaces — 

 Metallurgical Furnaces — Pottery Furnace — Coal Dust Firing — Index. 



THE HARDENING AND TEMPERING OF STEEL 

 IN THEORY AND PRACTICE. By Fridolin Reiser. 



Translated from the German of the Third Edition. Crown 8vo. 

 120 pp. Price 5s. ; India and British Colonies, 5s. 6d. ; Other Countries, 

 6s. ; strictly net. 



Contents. 



Steel — Chemical and Physical Properties of Steel, and their Casual Connection- 

 Classification of Steel according: to Use— Testing the Quality of Steel — Steel- 

 Hardening -Investigfation of the Causes of Failure in Hardening: — Regeneration of 

 Steel Spoilt in the Furnace— Welding Steel— Index. 



SIDEROLOGY: THE SCIENCE OF IRON (The Con- 

 stitution of Iron Alloys and Slags). Translated from German of 

 Hanns Freiherr v. JtiPTNER. 350 pp. Demy 8vo. Eleven Plates 

 and Ten Illustrations. Price 10s. 6d. ; India and Colonies, lis. ; Other 

 Countries, 12s. ; net. 



Contents. 



The Theory of Solution.— Solutions— Molten Alloys— Varieties of Solutions— Osmotic 

 Pressure — Relation between Osmotic Pressure and other Properties of Solutions — Osmotic 

 Pressure and Molecular Weight of the Dissolved Substance— Solutions of Gases— Solid Solu- 

 tions—Solubility—Diffusion—Electrical Conductivity— Constitution of Electrolytes and Metals 

 — Thermal Expansion. Micrography, — Microstructure— The Micrographic Constituents of 

 Iron — Relation between Micrographical Composition, Carbon-Content, and Thermal Treat- 

 ment of Iron Alloys— The Microstructure of Slags. Chemical Composition of the Alloys 

 of Iron. — Constituents of Iron AHoys — Carbon— Constituents of the Iron Alloys, Carbon — 

 Opinions and Researches on Combined Carbon — Opinions and Researches on Combined 

 Carbon — Applying the Curves of Solution deduced from the Curves of Recalescence to the De- 

 termination of the Chemical Composition of the Carbon present in Iron Alloys— The Constitu- 

 ents of Iron— Iron— The Constituents of Iron Alloys— Manganese— Remaining Constituents of 

 Iron Alloys— A Silicon— Gases. The Chemical Composition of Slag:.— Silicate Slags- 

 Calculating the Composition of Silicate Slags— Phosphate Slags— Oxide Slags— Appendix — 

 Index. 



