CHAPTER VI

. INSTRUMENTS FOR ASCERTAINING TEMPERATURE.

53. Temperature.

54. Thermometric Substances.

55. Description of the Thermometer.

56. STANDARD THERMOMETER.

57. Method of ascertaining the exact Boiling Temperature; Tables, &c.

58. Displacement of the Freezing Point.

59. The Scale.

60. The method of testing Thermometers.

61. Porcelain Scale-Plates.

62. Enamelled Tubes.

63. THERMOMETERS OF EXTREME SENSITIVENESS.

64. VARIETIES OF THERMOMETERS.

65. SUPERHEATED STEAM THERMOMETER.

66. THERMOMETER FOR SUGAR BOILING.

67. EARTH THERMOMETER.

68. MARINE THERMOMETER.

##