Calendar: 1879-1880 Page 327

326 EVENING CLASSES IX -Spectra of Incandescent Solids Liquids and Gases Absorption of Light Constitution of the Sun and of various Fixed Star Heat Light and Chemical Spectra -Emission of Light Tbe Origin of Colour in Bodies Optical Instruments The Eye and Vision Irra- diation XI -Transformations of Radiations Phosphorescence Change produced by Heat Fluorescence Chemi- cal Effects of Light Photography XII Interference of Light Colours of Thin Plates Newton's Rings Diffraction Coloured Fringes XIII -Polarization of Light by Reflection by Refraction and by Passing through Crystals Norremburg's Apparatus XIV -Double Refraction by Iceland Spar and other Crystals Circular Polarization Fresnel's Rhomb Polarization by Liquids The Saccharimeter XV -Effects of Heat Pressure and Magnetism in Changing the Plane of Polarization Interference of Polarized Light 24 APPLIED PHYSICS Day and Sour of Attendance-Friday from to This course is intended to meet the requirements of those Students who wish for more detailed instruction than can possibly be given in the experimental lectures The prin- cipal points of the' Wednesdays' lecture will be fully discussed in the first hour and in the second hour the Students will be taught how to apply their knowledge to questions of practical utility and interest 25 MINERALOGY Day and Hour of Attendance-Thursday from to The Course will commence with description of the Physical and Chemical characters of Minerals in General