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. net. (Post free, 9s. home; 9s. 3d. abroad.)

#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. net. (Post free, 7s. 10d. home; 8s. abroad.)

#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.

#ENGINEERING, SMOKE PREVENTION AND METALLURGY.# (p. c26)

#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. net. (Post
free, 7s. 10d. home; 8s. 3d. abroad.)

#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 PUeTSCH. 130
pp. Demy 8vo. Translated from the German. With 103 Illustrations.
Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.)

#Contents#.

Generators -- Generators Employing Steam -- Stirring and Feed
Regulating Appliances -- Direct Generators -- Burners -- Regenerators
and Recuperators -- Glass Smelting Furnaces -- Metallurgical Furnaces
-- Pottery Furnace --