Calendar: 1875-1876 Page 324

320 EVENING CLASSES ΧΙΠ Attractions and Repulsions of Currents by Currents Action of the Earth and of Magnets on Currents Reciprocal Action between Currents and Magnets Magnetisation by Currents Laws of Divided Currents XIV Electro-Magnets Work done by Electro-Magnetic Machines The Electric Telegraph Testing of Submarine Cables Thomson's Reflecting Galva- nometer XV Induction by Currents and by Magnets Laws of Induced Currents Ruhmkorff's Coil Geissler's Tubes Magneto-Electrical Machines physical laboratory Class for practical work in Heat Light Electricity and Magnetism will be formed in connection with the Evening Classes provided at least twelve Students present them- selves The Fees will be £3 3s for the Course This sum will cover all expenses 24 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 Physical -Crystallization Cleavage Fracture Frangibi- lity Hardness Lustre Colour Flexibility Double Refraction Touch Taste Odour Streak Powder Adhesion to the Tongue Magnetic and Electric Properties Phosphorescence Specific Gravity