Calendar: 1860-1861 Page 491

492 APPLIED SCIENCES Draw the plan of cube of 2" edge when three of its corners are at inches above the horizontal plane Three lines meet in point each being perpendicular to the plane containing the other two one line is inclined at 26 another at 47 to the horizontal plane Show these lines by their plans and elevations The sides of spherical triangle are 32 48 respec- tively the angle 56 determine by construction the side and the angles £ and VII -Ci tmiStrn Illustrate the meaning of the term Chemical Equivalent mixture of 03 cubic inch of carbonic oxide is mixed with 07 cubic inches of oxygen in eudiometer and an electric spark transmitted What will be the result and how will it be affected by solution of potash State what is meant by dimorphism and give some examples of its occurrence What are the characters of the rhombohedral system of crystals Mention particularly its relations to heat and light Give theory of the process of charging Leyden jar Must you use simple or compound voltaic circuit in order to produce the maximum amount of chemical action in the Voltameter Explain the cause of the difference in power of the two circuits Give the principle upon which the Astatic Galvanometer is constructed What are the phenomena which attend the electrolytic decomposition of solution of sulphate of soda