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ELEMENTARY TEXT-BOOK IN NATURAL PHILOSOPHY.

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Manual of Natural Philosophy.

With Recapitulatory Questions on each Chapter, an Appendix of Problems, and a Dictionary of Philosophical Terms.

By J. L. COMSTOCK, M.D., and R. D. HOBLYN, A.M., Oxon. CONTENTS:-I. The Properties of Bodies. II. Heat. III. Mechanics. IV. Hydrostatics. V. Hydraulics. VI. Pneumatics and Steam Engine. VII. Acoustics and Music. VIII. Optics. IX. Astronomy. X. Electricity and Galvanism. XI. Magnetism and Electro-Magnetism. XII. Appendix of Problems.

** The Appendix, which is now added, contains a collection of examples, illustrative of, and connected with, the principal propositions advanced in the body of this work. A further object is likewise proposed, viz. to familiarize the student of Natural Philosophy with the processes required for the elucidation of physical science. These have been made perfectly intelligible to all who are acquainted with the ordinary operations of Arithmetic, the first principles of Algebra, and Euclid's Elements of Geometry.

Some unworked questions, with answers, are added to the examples, for practice by the pupil. In all cases in which the arithmetical processes are referrible to established formulæ, such formulæ have been inserted. The principles being thus understood, the questions may be varied, and any number may be added, according to the capacity of the learner, and the judgment of the teacher.

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MANUAL OF THE STEAM ENGINE:

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Hoblyn's Treatise on Botany ;

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By THOMAS ATKINSON, M.A. Camb.

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SCOTT'S FIRST BOOKS IN SCIENCE

ADAPTED FOR TEXT-BOOKS IN SCHOOLS.

1. ALGEBRA. By the late Rev. B. BRIDGE, B.D., F.R.S. Improve and Simplified, by THOMAS ATKINSON, M.A. Ćamb.

2. ARITHMETIC. By T. ATKINSON, M.A. In the press.

*3. ASTRONOMY; With an Appendix of Problems. By Dr. Com STOCK and R. D. HOBLYN, A.M. Oxon.

*4. BOTANY: comprising the Structure and Functions of Plants with Glossary of Adjective Terms, Examination Questions, and 117 Illustrative Figures. By R. D. HOBLYN, A.M.

5. BRITISH PLANTS; Comprising an Explanation of the LIN NEAN System of Classification, and Descriptions of the more Common Plants arranged according to that method. By R. D. HOBLYN, A.M.

6. ENGLISH COMPOSITION, in Progressive Lessons. By R. G PARKER, A.M. With an Introductory View of the first prin ciples of English Composition,, and considerable Additions throughout, by the Rev. B. TURNER, M.A.

*7. CHEMISTRY-INORGANIC. By R. D. HOBLYN, A.M.

*8. HEAT, LIGHT AND OPTICS, AND ELECTRICITY. By COMSTOCK and HOBLYN.

*9. NATURAL PHILOSOPHY. By CoмSTOCK and HOBLYN. Containing-1. Properties of Bodies; 2. Mechanics; 3. Hydrostatics; 4. Hydraulics; 5. Pneumatics; 6. Acoustics.

*10. USE OF THE GLOBES; comprehending Geographical, Astronomical, and other Definitions, an Account of the Figure of the Earth and its Magnitude, numerous Problems, &c. By the late THOMAS KEITH. Condensed, Improved, and Corrected, by THOMAS ATKINSON, A.M. Camb.

Those marked * have Examination Questions at the bottom of the page.

THIS series of First Books in Science has been prepared as Text Books for the Use of Schools and Scientific Institutions, and especially of those persons who wish to learn the elements of science without the aid of a master. Each is composed in a style simple and easily understood; each contains as much information of the subject on which it treats as can be acquired in the time usually allowed for its study at school; and each will be found a suitable introduction to the more enlarged and valuable treatises which abound in our language.