Calendar: 1884-1885 Page 668

G62 APPLIED SCIENCES Construct the necessary scale on which to measure the depth and other details line Β is long point outside it is 3' from its centre in line perpendicular to Β determine curve equidistant from the given point and the given line On given line ABy 25 long describe the arc of circle which shall contain an angle of 50 square pyramid its base having an area of three square inches and its altitude being equal to one of the diagonals is to be shown in plan and elevation when one of its long edges is vertical Describe the five regular solids and give plan and eleva- tion of one of them Show in plan and elevation line 2" long inclined at 40 to the and parallel to the 10 Show in plan and elevation line long inclined at 40 to the and contained by plane inclined at 50 11 Show in plan and elevation line inches long inclined at 40 to the and 30 to the 12 square of 3" edge has one angle 75 another 76" and third 2" above the horizontal plane find the plan and elevation of the square 13 prism the axis of which is 3" long and the section square of 15 side has one long edge inclined at 40 and an adjacent short edge inclined at 35 Find the plan and elevation and another projection on plane making 57 with the plan of its axis 14 bowl of 2" outside diameter and 85 thick hemi- spherical inside and out with sufficient flat surface at the bcttom to steady it on the horizontal plane is to be shown in plan and elevation and also the shadow cast by rays at the usual conventional angles on the inside of the bowl and the plane or planes of projection 15 Two cones of convenient size but with bases not less than diameter intersect each other The axes are hori- zontal and vertical respectively and bisect each other Show the intersection of their surfaces