During an upstroke this closes, and the other opens; the reverse happening during a downstroke.
Capital E consists of a downstroke with a bar in the centre.
On the downstroke (Fig. 165) the edges of the cup expand against the barrel, preventing the passage of air round the piston.
Her axe shone, on the upstroke, on the downstroke, as she hacked at his hand.
In both side ovals the downstroke of figure "2" ends in a sharp point.
The capital letter "D" in Dallas is characterized by a staff or downstroke slanting at about a 30 angle.
The length L is made long enough so that O is kept covered up during the downstroke.
After the downstroke is completed, the teeth A will cut on the upstroke, the teeth B cutting on the downstroke, etc.
We have a downstroke on the left side of the letter which is almost exactly retracted by the upstroke.
In the numerals of value the end stroke does not curve back, but slants sharply from the downstroke.