## A Textbook of Elementary Mechanical Drawing for Use in Office and School with Illustrations |

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arc cutting axes axis bacteria base circle beam compasses Bisect center strike center with radius cents circular pitch circumference color cone construct cut the parallel cutting the arc cycloid cylinder diagonals diameter directrix Divide draw a line draw a parallel draw a tangent edge Electrotherapeutics ellipse epicycloid F as center face flank gears given circle given line given point given side helix horizontal line hypocycloid India ink involute laboratory length mucilage number of equal number of teeth paper parabola pencil perspective plane picture pitch circle point of sight points of division points of tangency points thus found Private International Law Professor radii radius equal radius strike required tangent right line rolling circle screw shown in Fig similar manner square strike an arc strike the arc strip student surface T-square templet thread tint tion tooth curve University of Michigan vanishing point vertical