Calendar: 1884-1885 Page 366

360 EVENING CLASSES IX -Spectra of Incandescent Solids Liquids and Gases Absorption of Light Constitution of the Sun and of various Fixed Stars Heat Light and Chemical Spectra -Emission of Light The 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 Elfects 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 Apparatus XIV -Double Refraction by Iceland Spar and other Crys- tals Circular Polarization FresnePs Rhomb Polarization by Liquids The Saccharimeter XV -Effects of Heat Pressure and Magnetism in Chang- ing the Plane of Polarization Interference of Polarized Light 26 APPLIED PHYSICS Day and Hour of Attendance-Friday from to The Course for 1884-5 will treat of Electric Lighting This course of lectures is arranged to meet the require- ments of Candidates for the Degrees of the University of London and of Students who wish to become familiar with the theory and practice of Electric Light Engineering The lectures will be of thoroughly practical kind and will be fully illustrated by experiments