4 Scientific Works published by Longmans , Green , S= Co.

GANOT—Elementary Treatise on Physics, Experimental andApplied. Translated and Edited from Ganot’s ‘Elements de Physique’by E. Atkinson, Ph.D., F.C.S. Fourteenth Edition, Revised and En-larged ; with 9 Coloured Plates and 1028 Woodcuts. Crown 8vo. 15s.

—- Natural Philosophy for General Readers and

Young Persons; a Course of Physics divested of MathematicalFormulae, expressed in the language of daily life. Translated andEdited from Ganot ’s ‘Corns Elementaire de Physique’ by E. Atkinson,Pli.D., F.C.S. Seventh Edition, with 37 pages of new matter, 7 Plates,569 Woodcuts, and an Appendix of Questions. Crown 8vo. 7s. 6 d.

GLAZEBROOK and SHAW—Practical Physics. By R. T.Glazebrook, F.R.S., and W. N. Shaw. 134 Illustrations. Fcp. 8vo. 7s. 6 d.

GUTHRIE—A Class-Book of Practical Physics. MolecularPhysics and Sound. By F. Gothrie. 91 Diagrams. Fcp. 8vo. Is. 6d.

HELMHOLTZ —Popular Lectures on Scientific Subjects.By Professor Helmholtz . With 68 Woodcuts. 2 vols. Crown 8vo.3s. 6d. each.

WORTHINGTON—A First Course of Physical LaboratoryPractice. Containing 264 Experiments. By A. M. Worthington,M.A. With Illustrations. Crown 8vo. 4s. 6 d.

WRIGHT—Elementary Physics. By Mark R. Wright. With242 Illustrations. Crown 8vo. 2s. 6 d.

MECHANICS AND MECHANISM.

BALL—A Class-Book of Mechanics. By Sir R. S. Ball, LL.D.89 Diagrams. Fcp. 8vo. Is. 6d.

CULVERWELL—Elementary Mechanics. By Edward P.

Cdlverwell, M.A. With 84 Diagrams and Woodcuts . 8vo. 3s. 6 d.GOODEVE—Principles of Mechanics. By T. M. Goodeve, M.A.,Professor of Mechanics at the Normal School of Science, and the RoyalSchool of Mines . 253 Woodcuts and numerous Examples. Cr. 8vo. 6s.

- The Elements of Mechanism. By T. M. Goodeve, M.A.

With 342 Woodcuts. Crown 8vo. 6s.

- A Manual of Mechanics. By T. M. Goodeve. With

138 Illustrations and Diagrams, and 188 Examples taken from theScience Department Examination Papers, with Answers. Fcp. 8vo.2s. 6 d.

GRIEVE—Lessons in Elementary Mechanics. By W. II.Grieve, P.S.A., late Engineer, R.N., Science Demonstrator for theLondon School Board, &c. Stage 1. With 165 Illustrations and a largenumber of Examples. Fcp. 8vo. Is. 6 d. Stage 2. With 122 Illustra-tions. Fcp. 8vo. Is. 6 d. Stage 3. 103 Illustrations. Fcp. 8vo. Is. 6 d.

MAGNUS—Lessons in Elementary Mechanics. With 52Examples and nearly 500 Exercises and Questions from the Matri-culation Examination Papers of the London University , &c., up toJune, 1889. With Answers, and 121 Woodcuts. By Sir PhilipMagnus , B.Sc., B.A. Fcp. 8vo. 3s. 6 d.

*%* Key, for the Use of Teachers only. 5s. net.