If the cue-ball be struck in the centre from point shown in the diagram, upon the cushion at a, its natural course will be the line from a to b—stroke, “medium.” If ⅝ right and ⅝ below at a, it will take the extreme angle indicated by the line a to d—stroke, “medium.” If ⅝ left and ⅝ below at a, stroke, “ordinary,” it will effect the angle from a to c.
PLATE IX.
CUSHION CAROMS BY CENTRE STROKE, ENGLISH OR TWIST, FROM ONE POSITION.
This plate gives simple examples of the cushion angles shown in previous diagrams.
To carom on balls 7 or 8.—Cue-ball centre, object-ball ¼ right; stroke, “medium.” This is the natural or reflected angle.
To carom on balls 2 or 4.—Cue-ball ½ right, ⅛ above, object-ball ¼ right; stroke, “medium.”
To carom on balls 3 or 5.—Cue-ball ⅝ right, ⅛ above, object-ball ¼ right; stroke, “medium.”
To carom on balls 6 or 9.—Cue-ball ⅝ left—a reverse English—object-ball ¼ right; stroke, “medium.”
PLATE X.
COMPOUND ANGLES.
Illustrating the manner of effecting a 1, 2, 3, 4, or 5 cushion carom.