Calendar: 1870-1871 Page 289

288 EVENING CLASSES judgment of the Professors make the greatest progress during the Session Arrangements will be made for enabling the Students to compete for the Prizes given by the Committee of Council on Education at the various Examinations held during the month of March Students must purchase their own Drawing Materials but these will be supplied from the College Office at cost price 18 THE ELEMENTS OF CHEMISTRY Days and Hours of Attendance-Tuesday and Friday from to The Professor explains the principle of the new as well as of the old nomenclature and notation in order to meet the requirements of some of the examining boards Introductory Definitions -r- Symbols Combining weights Oxygen -Chemistry of combustion in Air-Classification and nomenclature of Oxides-Ozone Atmospheric AiR Its constituents and their functions Hydrogen -Analysis of Water-Classification of Metals according to their action upon Water-Chemical equivalents -Diffusion of Gases Synthesis of Water -Eudiometers-Analysis of Air by the Eudiometer-Combining volumes of elementary and compound Gases-Atomic theory-Relation between Atoms and Equivalents-Atomic and equivalent notation-Unitary system-Molecular formulae Water from different natural sources-Rain well spring river and sea-water-Chemical cause of hardness in waters- Remedies for hardness-Incrustations in boilers-Poisoning of waters by lead -Distillation-Compounds of Water with Acids Bases and Salts-Anhydrides and Acids-Crystallisa- tion of Salts from Water-Water of crystallisation and of constitution Carbon -Its natural and artificial varieties-Useful ap plications of Graphite-Absorption of Gases by Charcoals Decolorising power of Charcoal