Calendar: 1859-1860 Page 453

454 APPLIED SCIENCES State how Lead Tin Iron Magnesia and Potash may be distinguished when in solution Enumerate the principal ingredients used in the manufacture of Glass and give an outline of the chemical changes which occur in the process stating some of the most important colouring agents employed and the effects produced by them ΥΠ -Cfctttttp Describe the gas-holder and the principle upon which it acts Describe the method of taking the specific gravity of Vapour by the method of Dumas How are the principles of the convection of heat applied to explain the phenomena of the Trade-winds Explain the term latent heat and state how the latent heat of Vapours may be measured In cylindrical conductor charged with Electricity how is the force distributed Explain this upon Faraday's theory of induction Will solid or hollow cylinder receive the highest charge and why Describe Harris's Electrical Balance and give an illus- tration of the mode of using it Describe shortly the phenomena of the Voltaic circuit Show the relations of the Voltaic pile with Daniell's battery Explain why the action of the latter is constant or nearly so and why that of the pile rapidly declines Explain the circumstances under which an advantage is obtained by using compound Voltaic circuit instead of simple circuit