The Theory and Practice of Model Aeroplaning Part 28

(_Revised, April 1907_)

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=Form of Model General Conditions= recommended by THE INSt.i.tUTION OF ELECTRICAL ENGINEERS for use in connection with Electrical Contracts.

8vo, sewed. (_1906_)

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=A Handbook of Electrical Testing.= By H.R. KEMPE. Seventh edition, 285 illus. 706 pp. demy 8vo. (_1908_)

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=Application of Electricity to Railway Working.= By W.E. LANGDON.

142 illus. and 5 plates, 347 pp. 8vo. (_1897_)

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=How to Become a Competent Motorman.= By V.B. LIVERMORE and J.

WILLIAMS. 45 illus. 252 pp. 12mo. (_New York, 1903_)

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=Electromagnets,= their design and construction. By A.N. MANSFIELD. 36 illus. 155 pp. 18mo, boards. (_New York, 1901_)

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=Telephone Construction, Methods and Cost.= By C. MAYER. With Appendices on the cost of materials and labour by J.C. SLIPPY. 103 illus. 284 pp. crown 8vo. (_New York, 1908_)

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=Induction Coils.= By N.H. SCHNEIDER. Second edition, 79 illus. 285 pp. crown 8vo. (_New York, 1901_)

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=Electric Gas Lighting.= By N.H. SCHNEIDER. 57 illus. 101 pp. 12mo.

(S. & C. SERIES, NO. 8.) (_New York, 1901_)

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=How to Install Electric Bells, Annunciators and Alarms.= By N.H.

SCHNEIDER. 59 illus. 63 pp. crown 8vo, limp. (S. & C. SERIES, NO. 2.) (_New York, 1905_)

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=Modern Primary Batteries,= their construction, use and maintenance.

By N.H. SCHNEIDER. 54 illus. 94 pp. crown 8vo, limp. (S. & C. SERIES, NO. 1.) (_New York, 1905_)

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=Practical Engineers' Handbook on the Care and Management of Electric Power Plants.= By N.H. SCHNEIDER. 203 illus. 274 pp. crown 8vo. (_New York, 1906_)

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=Electrical Circuits and Diagrams,= ill.u.s.trated and explained. By N.H.

SCHNEIDER. 8vo, limp. (S. & C. SERIES, NOS. 3 AND 4.) (_New York_)

Part 1. 217 illus. 72 pp. (_1905_)

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=Electrical Instruments and Testing.= By N.H. SCHNEIDER. Third edition. 133 illus. 239 pp. crown 8vo. (_New York, 1907_)

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=Experimenting with Induction Coils.= By N.H. SCHNEIDER. 26 illus. 73 pp. crown 8vo, limp. (S. & C. SERIES, NO. 5.) (_New York, 1906_)

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=Study of Electricity for Beginners.= By N.H. SCHNEIDER. 54 illus. 88 pp. crown 8vo, limp. (S. & C. SERIES, NO. 6.) (_New York, 1905_)

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=Practical Electrics:= a Universal Handybook on Every Day Electrical Matters. Seventh edition, 126 illus. 135 pp. 8vo. (S. & C. SERIES, NO.

13.) (_New York, 1902_)

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=The Voltaic Acc.u.mulator:= an elementary treatise. By E. REYNIER.

Translated from the French by J.A. BERLY. 62 illus. 202 pp. 8vo

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=Dry Batteries:= how to Make and Use them. By a DRY BATTERY EXPERT.

With additional notes by N.H. SCHNEIDER. 30 illus. 59 pp. crown 8vo, sewed. (S. & C. SERIES, NO. 7.) (_New York, 1905_)

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=The Diseases of Electrical Machinery.= By E. SCHULZ. Edited, with a Preface, by Prof. S.P. THOMPSON. 42 illus. 84 pp. crown 8vo

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=Electric Toy-Making.= By T.O. SLOANE. Fifteenth edition, 70 illus.

183 pp. crown 8vo. (_New York, 1903_)

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