Contents.—The Principles of Artificial Illumination. The Production of Artificial Light. Photometry. Methods of Testing. Carbon-Filament Lamps. The Nernst Lamp. Metallic-Filament Lamps. The Electric Arc. The Manufacture and Testing of Arc Lamp Carbons. Arc Lamps. Miscellaneous Lamps. Comparison of Lamps of Different Types.
The Range of Electric Searchlight Projectors. Jean Rey, Ingenieur Civil des Mines Lauréat de l’Institut. Authorised translation by J. H. Johnson, M.Inst.E.E., Assoc. A.I.E.E. 34 Illustrations and Diagrams. 12/6 net.
Contents.—Part I: Illumination by Electric Searchlight Projectors. Determination of the Luminous Flux Emitted by an Electric Arc. Theoretical Illumination obtained with a Specified Reflector. Efficiency of Electric Searchlight Projectors. Practical Value of the Illumination from Searchlight Projectors. Searchlights with Mangin Mirrors. Part II: Range of Electric Searchlight Projectors. General Remarks. General Law giving the Value of the Range apart from the Visual Sharpness. Practical Application of the Law of Ranges, apart from the Visual Acuity. Practical Examples and Problems in respect of the Range. The Variation in the Range with the Size of the Searchlight and the Atmospheric Transparency. Visual Acuity of Sharpness. Appendices and Index.
Searchlights: Their Theory, Construction and Application. F. Nerz. Translated from the German by Charles Rodgers. Royal 8vo. 7/6 net.
Essentials of Electrical Engineering. John Fay Wilson. Royal 8vo. 282 Illustrations. 16/- net.
Contents.—The Electric Circuit. Magnetism and Magnetic Induction. Practical Construction of the Dynamo. The Continuous Current Generator. The Continuous Current Motor. Losses, Efficiencies and Ratings of Continuous Current Dynamos. Polyphase Alternating Currents. The Alternating Current Generator. The Synchronous Motor. Current Rectifying Apparatus. The Transformer. Transformer Connections. The Induction Motor. Single-phase Commutating Motors. Electric Lamps. Circuit Interrupting Apparatus. Meters. Power Transmission and Distribution. The Storage Battery. Harmonic Quantities. Inductance. Capacity. The Complex Quantity. Admittance, Conductance and Susceptance. Resuscitation from Electric Shock.
Electric Wiremen’s Manuals. ([See p. 7.])
Electro-Chemistry, etc.
Electro-Metallurgy. J. B. C. Kershaw, F.I.C. With 61 Illustrations. Extra Crown 8vo. 7/6 net.