Contents.

=Causes of Pit Fires=--=Preventive Regulations=: (1) The Outbreak and Rapid Extension of a Shaft Fire can be most reliably prevented by Employing little or no Combustible Material in the Construction of the Shaft; (2) Precautions for Rapidly Localising an Outbreak of Fire in the Shaft; (3) Precautions to be Adopted in case those under 1 and 2 Fail or Prove Inefficient. Precautions against Spontaneous Ignition of Coal. Precautions for Preventing Explosions of Fire-damp and Coal Dust.

Employment of Electricity in Mining, particularly in Fiery Pits.

Experiments on the Ignition of Fire-damp Mixtures and Clouds of Coal Dust by Electricity--=Indications of an Existing or Incipient Fire=--=Appliances for Working in Irrespirable Gases=: Respiratory Apparatus; Apparatus with Air Supply Pipes; Reservoir Apparatus; Oxygen Apparatus--=Extinguishing Pit Fires=: (_a_) Chemical Means; (_b_) Extinction with Water. Dragging down the Burning Ma.s.ses and Packing with Clay; (_c_) Insulating the Seat of the Fire by Dams. Dam Building.

a.n.a.lyses of Fire Gases. Isolating the Seat of a Fire with Dams; Working in Irrespirable Gases ("Gas-diving"); Air-Lock Work. Complete Isolation of the Pit. Flooding a Burning Section isolated by means of Dams.

Wooden Dams: Masonry Dams. Examples of Cylindrical and Dome-shaped Dams. Dam Doors: Flooding the Whole Pit--=Rescue Stations=: (_a_) Stations above Ground; (_b_) Underground Rescue Stations--=Spontaneous Ignition of Coal in Bulk=--Index.

=VENTILATION IN MINES.= By ROBERT WABNER, Mining Engineer.

Translated from the German. Royal 8vo. Thirty Plates and Twenty-two Ill.u.s.trations. 240 pp. 1903. Price 10s. 6d.; India and Colonies, 11s.; Other Countries, 12s.; strictly net.

Contents.

=The Causes of the Contamination of Pit Air=--=The Means of Preventing the Dangers resulting from the Contamination of Pit Air=--=Calculating the Volume of Ventilating Current necessary to free Pit Air from Contamination=--=Determination of the Resistance Opposed to the Pa.s.sage of Air through the Pit=--=Laws of Resistance and Formulae therefor=-- =Fluctuations in the Temperament or Specific Resistance of a Pit= --=Means for Providing a Ventilating Current in the Pit=--=Mechanical Ventilation=--=Ventilators and Fans=--=Determining the Theoretical, Initial, and True (Effective) Depression of the Centrifugal Fan=--=New Types of Centrifugal Fan of Small Diameter and High Working Speed=-- =Utilising the Ventilating Current to the utmost Advantage and distributing the same through the Workings=--=Artificially r.e.t.a.r.ding the Ventilating Current=--=Ventilating Preliminary Workings=--=Blind Headings=--=Separate Ventilation=--=Supervision of Ventilation=--INDEX.

=HAULAGE AND WINDING APPLIANCES USED IN MINING.= By CARL VOLK.

Translated from the German. Royal 8vo. With Six Plates and 146 Ill.u.s.trations.

[_In the press._

Contents.

Haulage Appliances--Ropes--Haulage Tubs and Tracks--Cages and Winding Appliances--Winding Engines for Vertical Shafts--Winding without Ropes--Haulage in Levels and Inclines--The Working of Underground Engines--Machinery for Downhill Haulage.

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 Ill.u.s.trations. 190 pp.

1901. 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. 1901. Translated from the German. With 103 Ill.u.s.trations. 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 --Gla.s.s 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. 1903. 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=--=Cla.s.sification of Steel according to Use=--=Testing the Quality of Steel=--=Steel-Hardening=--=Investigation of the Causes of Failure in Hardening=--=Regeneration of Steel Spoilt in the Furnace=--=Welding Steel=--=Index.=

=SIDEROLOGY: THE SCIENCE OF IRON= (The Const.i.tution of Iron Alloys and Slags). Translated from German of HANNS FREIHERR V. JuPTNER. 350 pp. Demy 8vo. Eleven Plates and Ten Ill.u.s.trations. 1902. Price 10s. 6d.; India and Colonies, 11s.; 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 Solutions--Solubility --Diffusion--Electrical Conductivity--Const.i.tution of Electrolytes and Metals--Thermal Expansion. =Micrography.=--Microstructure--The Micrographic Const.i.tuents of Iron--Relation between Micrographical Composition, Carbon-Content, and Thermal Treatment of Iron Alloys--The Microstructure of Slags. =Chemical Composition of the Alloys of Iron.= --Const.i.tuents of Iron Alloys--Carbon--Const.i.tuents 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 Determination of the Chemical Composition of the Carbon present in Iron Alloys--The Const.i.tuents of Iron--Iron--The Const.i.tuents of Iron Alloys--Manganese--Remaining Const.i.tuents 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.

=EVAPORATING, CONDENSING AND COOLING APPARATUS.= Explanations, Formulae and Tables for Use in Practice. By E. HAUSBRAND, Engineer. Translated by A. C. WRIGHT, M.A. (Oxon.), B.Sc.

(Lond.). With Twenty-one Ill.u.s.trations and Seventy-six Tables. 400 pp. Demy 8vo. 1903. Price 10s. 6d.; India and Colonies, 11s.; Other Countries, 12s.; net.

Contents.

_Re_Coefficient of Transmission of Heat, k[underscored]/, and the Mean Temperature Difference, [Greek: theta underscored]/m--Parallel and Opposite Currents--Apparatus for Heating with Direct Fire--The Injection of Saturated Steam--Superheated Steam--Evaporation by Means of Hot Liquids--The Transference of Heat in General, and Transference by means of Saturated Steam in Particular--The Transference of Heat from Saturated Steam in Pipes (Coils) and Double Bottoms--Evaporation in a Vacuum--The Multiple-effect Evaporator--Multiple-effect Evaporators from which Extra Steam is Taken--The Weight of Water which must be Evaporated from 100 Kilos. of Liquor in order its Original Percentage of Dry Materials from 1-25 per cent. up to 20-70 per cent.--The Relative Proportion of the Heating Surfaces in the Elements of the Multiple Evaporator and their Actual Dimensions--The Pressure Exerted by Currents of Steam and Gas upon Floating Drops of Water--The Motion of Floating Drops of Water upon which Press Currents of Steam--The Splashing of Evaporating Liquids--The Diameter of Pipes for Steam, Alcohol, Vapour and Air--The Diameter of Water Pipes--The Loss of Heat from Apparatus and Pipes to the Surrounding Air, and Means for Preventing the Loss--Condensers--Heating Liquids by Means of Steam--The Cooling of Liquids--The Volumes to be Exhausted from Condensers by the Air-pumps--A Few Remarks on Air-pumps and the Vacua they Produce--The Volumetric Efficiency of Air-pumps--The Volumes of Air which must be Exhausted from a Vessel in order to Reduce its Original Pressure to a Certain Lower Pressure--Index.

Dental Metallurgy.

=DENTAL METALLURGY: MANUAL FOR STUDENTS AND DENTISTS.= By A.

B. GRIFFITHS, Ph.D. Demy 8vo. Thirty-six Ill.u.s.trations.

1903. 200 pp. Price 7s. 6d.; India and Colonies, 8s.; Other Countries, 8s. 6d.; strictly net.

Contents.

Introduction--Physical Properties of the Metals--Action of Certain Agents on Metals--Alloys--Action of Oral Bacteria on Alloys--Theory and Varieties of Blowpipes--Fluxes--Furnaces and Appliances--Heat and Temperature--Gold--Mercury--Silver--Iron--Copper--Zinc--Magnesium-- Cadmium--Tin--Lead--Aluminium--Antimony--Bis.m.u.th--Palladium--Platinum --Iridium--Nickel--Practical Work--Weights and Measures.

Plumbing, Decorating, Metal Work, etc., etc.

=EXTERNAL PLUMBING WORK.= A Treatise on Lead Work for Roofs.

By JOHN W. HART, R.P.C. 180 Ill.u.s.trations. 272 pp. Demy 8vo.

Second Edition Revised. 1902. Price 7s. 6d.; India and Colonies, 8s.; Other Countries, 8s. 6d.; strictly net.

Contents.

Cast Sheet Lead--Milled Sheet Lead--Roof Cesspools--Socket Pipes-- Drips--Gutters--Gutters (continued)--Breaks--Circular Breaks--Flats-- Flats (continued)--Rolls on Flats--Roll Ends--Roll Intersections--Seam Rolls--Seam Rolls (continued)--Tack Fixings--Step Flashings--Step Flashings (continued)--Secret Gutters--Soakers--Hip and Valley Soakers--Dormer Windows--Dormer Windows (continued)--Dormer Tops-- Internal Dormers--Skylights--Hips and Ridging--Hips and Ridging (continued)--Fixings for Hips and Ridging--Ornamental Ridging-- Ornamental Curb Rolls--Curb Rolls--Cornices--Towers and Finials--Towers and Finials (continued)--Towers and Finials (continued)--Domes--Domes (continued)--Ornamental Lead Work--Rain Water Heads--Rain Water Heads (continued)--Rain Water Heads (continued).

=HINTS TO PLUMBERS ON JOINT WIPING, PIPE BENDING AND LEAD BURNING.= Third Edition, Revised and Corrected. By JOHN W.

HART, R.P.C. 184 Ill.u.s.trations. 313 pp. Demy 8vo. 1901.