25 



Collieries and Mines. 



RECOVERY WORK AFTER PIT FIRES. By Robert 



Lamprecht, Mining Engineer and Manager. Translated from the 



German. Illustrated by Six large Plates, containing Seventy-six 



Illustrations. 175 pp., demy 8vo. Price 10s. 6d. ; India and Colonies, 



lis.; Other Countries, 12s.; strictly net. 



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 Pail or Prove IneiHcient. 



Precautions ag^iinst 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 Worthing: in Irrespirable 



Gases: Respiratory Apparatus; Apparatus with Air Supply Pipes; Reservoir Apparatus; 



Oxygen Apparatus — Exting'uisllingr Pit Fires: (a) Chemical Means; (6) Extinction with 



Water. Dragging down the Burning Masses and Packing with Clay ; (c) Insulating the Seat 



of the Fire by Dams. Dam Building. Analyses 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 Burnmg 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 ; (6) 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 Illustrations. 240 pp. Price 10s. 6d. ; India and 

 Colonies, lis.; 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 Passage of Air through the Pit— Laws of Re- 

 sistance and Formulae therefor— Fluctuations in the Temperament or Specific Re- 

 sistance of a Pit— Means for Providing a Ventilating Current in the Pit— Mechani- 

 cal 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— Artifici- 

 ally retarding the Ventilating Current— Ventilating Preliminary Workings— Blind 

 Headings— Separate Ventilation— Supervision of Ventilation— Index. 



HAULAGE AND WINDING APPLIANCES USED IN 

 MINES. By Carl Volk. Translated from the German. 

 Royal 8vo. With Six Plates and 148 Illustrations. 150 pp. Price 

 8s. 6d. ; Colonies, 9s. ; Other Countries, 9s. 6d. ; strictly net. 

 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. 



Dental Metallurgy. 



DENTAL METALLURGY: MANUAL FOR STUDENTS 

 AND DENTISTS. By A. B. Griffiths, Ph.D. Demy 

 8vo. Thirty-six Illustrations. 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 — Bismuth — Palladium— 

 Platinum— Iridium— Nickel— Practical Work— Weights and Measures. 



