11.—Drawing a circle with the compasses.
Showing how to draw a circle with a pair of compasses. [more...]
[$]Dividers are like compasses but with two sharp points, and can be used for measuring distances.
[$]“13. Inking.—For drawing ink lines other than arcs of circles, the ruling pen (or right-line pen, as it is sometimes called) is used. Its should be held as nearly perpendicular to the board as possible, with the hand in the position shown in Figs. 15 and 16, bearing lightly against the T square