The Theory and Practice of Model Aeroplaning Part 40

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=Examples of Coal Mining Plant, Second Series.= By J.

POVEY-HARPER. 10 plates, 26 in. by 20 in. (_1902_)

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ORGANISATION.

ACCOUNTS, CONTRACTS AND MANAGEMENT.

=Organisation of Gold Mining Business=, with Specimens of the Departmental Report Books and the Account Books. By NICOL BROWN. Second edition, 220 pp. fcap. folio. (_1903_)

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=Manual of Engineering Specifications= and Contracts. By L.M.

HAUPT. Eighth edition, 338 pp. 8vo. (_New York, 1900_)

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=Depreciation of Factories=, Munic.i.p.al, and Industrial Undertakings, and their Valuation. By E. MATHESON. Fourth edition, 230 pp. 8vo, cloth. (_1910_)

_net_ 10 6

=Aid Book to Engineering Enterprise.= By E. MATHESON. Third edition, 916 pp. 8vo, buckram. (_1898_)

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=Office Management.= A handbook for Architects and Civil Engineers. By W. KAYE PARRY. New impression, 187 pp. medium 8vo. (_1908_)

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=Commercial Organisation of Engineering Factories.= By H.

SPENCER. 92 illus. 221 pp. 8vo. (_1907_)

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PHYSICS.

COLOUR, HEAT AND EXPERIMENTAL SCIENCE.

=The Entropy Diagram= and its Applications. By M.J. BOULVIN. 38 illus. 82 pp. demy 8vo. (_1898_)

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=Physical Problems and their Solution.= By A. BOURGOUGNON. 224 pp. 18mo, boards. (_New York, 1897_)

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=Heat for Engineers.= By C.R. DARLING. 110 illus. 430 pp. 8vo.

(_1908_) (FINSBURY TECHNICAL MANUAL)

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=The Colourist.= A method of determining colour harmony. By J.A.H. HATT. 2 coloured plates, 80 pp. 8vo. (_New York, 1908_)

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=Engineering Thermodynamics.= By C.F. HIRSCHFELD. 22 illus. 157 pp. 18mo, boards. (_New York, 1907_)

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=Experimental Science=: Elementary, Practical and Experimental Physics. By G.M. HOPKINS. Twenty-third edition, 920 illus. 1100 pp. large 8vo. (_New York, 1902_)

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=Reform in Chemical and Physical Calculations.= By C.J.T.

HANSSEN. Demy 4to. (_1897_)

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=Introduction to the Study of Colour Phenomena.= By J.W.

LOVIBOND. 10 hand coloured plates, 48 pp. 8vo. (_1905_)

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=Practical Laws and Data on the Condensation of Steam in Bare Pipes=; to which is added a Translation of PECLET'S Theory and Experiments on the Transmission of Heat through Insulating Materials. By C.P. PAULDING. 184 illus. 102 pp. demy 8vo. (_New York, 1904_)

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=The Energy Chart.= Practical application to reciprocating steam-engines. By Captain H.R. SANKEY. 157 illus. 170 pp. 8vo.

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=Approximate Estimates.= By T.E. COLEMAN. Third edition, 481 pp. oblong 32mo, leather. (_1907_)

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=Railway Stores Price Book.= By W.O. KEMPTHORNE. 500 pp. demy 8vo. (_1909_)

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=Spons' Engineers' Price Book.= A Synopsis of Current Prices and Rates for Engineering Materials and Products. Edited by T.G. MARLOW. 650 pp. folio. (_1904_)