and
.
8. The sharp is made with two light vertical strokes, and two heavy slanting ones, the slant of the latter being upward from left to right, ♯. The sharp should never be made thus, #.
The double sharp is made either thus
or *, the first form being at present the more common.
9. The flat is best made by a down stroke retraced part way up, the curve being made without lifting pen from paper. The double flat consists of two flats,[3] ♭♭. The natural or cancel is made in two strokes, down-right and right-down, thus
♮.