Calendar: 1887-1888 Page 694

698 APPLIED SCIENCE Describe and illustrate with freehand sketch Thomp- 80118י calorimeter Comment on its practical advantages and disadvantages Why does mild steel used for rails have about 45 carbon in it whilst that used for boiler- and ship-plates has only about How are these different qualities of metal ordinarily made What are the properties which give copper its special value in the Arts Give examples of its uses illustrating your remarks By what general method is silver extracted from lead What would be the effect on the resultant metal if the silver were not extracted Describe the Kirkaldy machine used in the College testing room and explain how the various tests are made THIRD YEAR Sketch section of lathe back gear spindle as arranged to throw in and out by eccentric Sketch the radial arm of screw cutting lathe shewing arrangement of wheels to give feed of 50 to the inch leading screw to the inch Sketch an arrangement of change wheels to cut left- handed screw Sketch and describe the gear for traversing in the large Whitworth Lathe Describe the strains to be provided against in fixing the cylinder of horizontal engine to bed plate give sketch of method Shew the method of drawing the position of slide eccentric when the piston is at the end of the stroke providing for lead and lap