Calendar: 1859-1860 Page 242

242 EVENING CLASSES IX Magneto-Electricity-the Induction Coil The Electric Telegraph-Difficulties to be overcome Resistances to the Current Detailsof the Systems adopted in England XI The Electric Telegraph Details of the Systems adopted in France and in America XII On the Production of Artificial Light-the Oxy- hydrogen Light the Electric Light the Laws of the Propagation of Light XIII The Reflection of Light at Plane Surfaces Hadley's Sextant the Kaleidoscope the Refraction of Light at Plane Surfaces Deviation of the Ray Refraction through Plate through Prism Total Internal Reflection Minimum Deviation produced by Prism XIV Reflection at Spherical Surfaces Formation of Opti- cal Images Parabolic Reflectors Refractional Spherical Surfaces Lenses Laws observed Sphe- rical Aberration XV On the Dispersion of Light-Achromatism XVI On Images rendered visible by screens the Camera Obscura Vision the Eye Achromatic Lens the Telescope as Means of ascertaining Direction Office of the Object Glass and of the Eye Piece XVII Different forms of Telescope the Microscope Micro- metrical uses of the Telescope and Microscope XVIII Introductory Experiments to illustrate the Theory of Light XIX On the Polarization of Light III If any number of Gentlemen not less than Ten shall wish for instruction in Hebrew Mineralogy or other sub- jects arrangements will be made if possible to meet their wishes IV The College will be open for these Lectures every even- insr Saturday excepted