6Comparison of Absolute Scale with Scale of Air Thermometer
19CHAPTER XIV: THE BALTIMORE LECTURES
7Dissipation of Energy
20CHAPTER XV: SPEED OF TELEGRAPH SIGNALLING—LAYING OF SUBMARINE CABLES—TELEGRAPH INSTRUMENTS—NAVIGATIONAL INSTRUMENTS, COMPASS AND SOUNDING MACHINE
8Thermoelasticity and Thermoelectricity
21Theory of Signalling
9CHAPTER IX: HYDRODYNAMICS—DYNAMICAL THEOREM OF MINIMUM ENERGY—VORTEX MOTION
22Laying of First American Cables
10CHAPTER X: THE ENERGY THEORY OF ELECTROLYSIS—ELECTRICAL UNITS—ELECTRICAL OSCILLATIONS
23Mirror Galvanometer and Siphon Recorder
11Electrolysis and Electrical Units
24Mariners' Compass and Sounding Machine
12Electrical Oscillations
25CHAPTER XVI: LORD KELVIN IN HIS CLASS-ROOM AND LABORATORY
13CHAPTER XI: THOMSON AND TAIT'S 'NATURAL PHILOSOPHY'—GYROSTATIC ACTION—'ELECTROSTATICS AND MAGNETISM'