INTRODUCTION - I. STANDARD SCALES OF TEMPERATURE - II. EXPANSION THERMOMETERS - III. ELECTRICAL THERMOMETERS AND PYROMETERS - IV. TOTAL RADIATION, OPTICAL AND PHOTO-ELECTRIC PYROMETERS - V. GALVANOMETERS. INDICATORS, RECORDERS AND CONTROLLERS OF TEMPERATURE -VI. VARIOUS OTHER PYROMETERS -VII. THE MEAN TEMPERATURE OF A METAL WALL -VIII. THE MEASUREMENT OF RAPIDLY FLUCTUATING TEMPERATURES -APPENDIX -I. THE INTERNATIONAL TEMPERATURE SCALE OF 1948 -II. COMPARISON OF THERMOMETRIC SCALES -INDEX -