72 CHARLES GRIFFIN & CO.'S PUBLICATIONS. 



AN ELEMENTARY TEXT -BOOK OF PHYSICS. 



BY R. WALLACE STEWART, D.Sc. (LOND.) 



In Four Volumes. Crown 8uo. Cloth. Each Fully Illustrated. 

 Sold Separately. 





VOL. I. Uniform with Vols. II. to IV. and Fully Illustrated. 



tf""" 1 T7* T^T T7* T^ 71 'W T^ TJT "V CL T f 1 '' d 

 IJT l XN XI* x"C JHL JLrf Jr*TL JL 2^X^55. 



Xo\v IN THE PRESS. Will be ready very shortly. 

 Vol.. II. JUST PUBLISHED. Profusely Illustrated. 2s. 6d. net. 



SOUND. 



CONTENTS. Simple Harmonic Vibration. Production of Sound. 

 Wave Motion. Propagation of Sound. Characteristics of Sound. Re- 

 flection and Refraction of Sound. Velocity of Sound in Air and Water. 

 Transverse Vibration of Strings. Longitudinal Vibration of Rods and 

 Columns of Air. INDEX. 



" Should supply the much-felt need of an elementary treatment of this subject . . . 

 distinctly good." Mature. 



VOL. III. JUST PUBLISHED. With 142 Illustrations. 3s. 6d. net. 



LIGHT. 



CONTENTS. Introductory. Rectilinear Propagation of Light. 

 Photometry. Reflection at Plane Surfaces. Reflection at Spherical 

 Surfaces. Refraction. Refraction through Lenses. Dispersion. INDEX. 



" This elementary treatise resembles Part II. (>oimri) in its attractiveness . . . the 

 treatment is good . . . excellent diagrams . . . very clear."- Journ. of ln.--t. <>f 

 Teachers in Technical Jnnh'tut,^. 



V<>L. IV. JUST PUBLISHED. With 84 Illustrations. 3s. 6d. net. 



HEAT. 



( 'i NTENTS. Introductory. Thermometry. Expansion of Solids. 

 Expansion of Liquids. Expansion of Gases. Calorimetry. Specific 

 Heat. Liquefaction and Solidification. Vaporisation and Condensation. 

 Conduction of Heat. Convection. Mechanical Equivalent of Heat. 

 Radiation. INDFX. 



In Large 8vo. With Bibliography, Illustrations in the Text, and 

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THE MEAN DENSITY OF THE EARTH. 



An Essay to which the Adams Prize waa Adjudged In 1893 in the University of Cambridge. 

 BY J. H. POYNTING, Sr.D., K.R.S. 



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