PLATE II.
CAROMS ILLUSTRATED.
Illustrating different lineal directions of the cue-ball, with strength of stroke, “Ordinary” to “Hard” (see Plate I. for strength of stroke).
Diagram 1.—Cue-ball ½ above, object-ball ¾ right; strength, “ordinary” to “hard.” The cue-ball, partaking of the “follow” quality, and having its direction changed by contact with the object-ball, rebounds slightly with the concussion, and in its efforts to regain its natural course—that of the “follow”—describes a convex curve, and effects carom in corner.
Diagram 2.—Illustrating the concave curve. Cue-ball ½ below, object ball ¾ right; strength of stroke, “ordinary” to “hard.” The retrograde tendency given the cue-ball by the “draw” overcomes the impelling power after its contact with the object-ball, and causes it to make the curve shown.
Diagram 3.—Straight line carom. Cue-ball centre, object-ball ¾ right; strength of stroke, “ordinary.” The cue-ball being struck in the centre has neither rotary motion forward nor back, but slides over the bed of the table a certain distance, when the natural condition of a moving sphere overcomes the propelling power, and it takes a rolling movement. Plate IV. fully explains this centre delivery.
PLATE III.
PLAIN CAROMS WITH DIFFERENT DEGREES OF STRENGTH.
Illustrating the control of cue-ball by application of different forces, and being struck ¼ below at each stroke, the object-ball ⅞ right.
To carom on ball 1.—Strength of stroke, MEDIUM.