The object of this work is to supply an exhaustive digest of all that is known on each subject, so far as is necessary and sufficient for an Engineer in practice, especially in India.

The Electric Light in its Practical Application. By Paget Higgs, LL.D., D.Sc., Telford Prizeman, and Associate Member of the Institution of Civil Engineers. With 94 illustrations, 240 pages. Demy 8vo, cloth, 9s.

Contents:

Introductory—Lamps or Burners Employing the Voltaic Arc—Electric “Candles” and Candle Lamps—Lighting by Incandescence—Magneto and Dynamo-electric Machines—Mechanical Efficiency of Electric Light Machines—Simple Mathematical Considerations Concerning Electric Lighting—Electric Regulators—Commercial Aspect of Electric Lighting—Division of the Electric Light—Maritime and Military Aspects—Various Applications of the Electric Light—Electric Carbons.

Progressive Lessons in Applied Science. By Edward Sang, F.R.S.E. Crown 8vo, cloth, each Part, 3s.

Part 1. Geometry on Paper—Part 2. Solidity, Weight, and Pressure—Part 3. Trigonometry, Vision, and Surveying Instruments.

A Practical Treatise on Casting and Founding, including descriptions of the modern machinery employed in the art. By N. E. Spretson, Engineer. With 82 plates drawn to scale, 412 pp. Demy 8vo, cloth, 18s.

A Practical Treatise on Coal Mining. By George G. André, F.G.S., Assoc. Inst. C.E., Member of the Society of Engineers. With 82 lithographic plates. 2 vols., royal 4to, cloth, 3l. 12s.

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