CONTENTS. 



HEAT. 



TABLE 1'AGE 



25. Conversion of Temperatures 22 



26. Melting Points, Specific Heats, Coefficients of Linear 



and Cubical Expansion of Solids 23 



27. Boiling Point, Specific Heat, and Coefficients of Cubical 



Expansion of Liquids 24 



28. Specific Heats of Gases 25 



29. Tensions and Boiling Points of Liquefied Gases .... 20 



30. Latent Heats of Fusion and Vaporization 20 



31. Logarithms of (1 + -00367 t] 27 



32. Volume and Density of Water 28 



33. Volume and Density of Mercury 29 



34. Tension of Aqueous Vapour 29 



35. Table for the Wet-bulb Hygrometer 30 



36. Mass of Aqueous Vapour, of dry, and of saturated Air . 31 



37. Tension of Mercury Vapour 31 



38. Molecular Data for Gases 32 



39. Thermal Conductivities 32 



40. Miscellaneous Data 32 



LIGHT. 



41. Wave-lengths of the chief Lines in some Spectra ... 33 



42. Refractive Indices 34 



43. Rotary Polarisation 34 



44. The Velocity of Light 35 



SOUND. 



45. The Velocity of Sound 36 



46. The Diatonic Scale 36 



47. Number of Vibrations in each Note of an Octave ... 36 



48. Comparison of the Diatonic and Equally Tempered 



Scales 37 



