[13]. Often called the half-ball angle, both definitions being very inaccurate; but they are in common use, and generally understood.
[14]. Or restitution, the effect of compression.
[15]. The Americans term what we call side ‘English’ or ‘twist.’
[16]. Delarue, Paris.
[17]. Memmott has made, we believe, the extraordinary number of 423 consecutive screw back spot strokes.
[18]. For a description of this game, see pp. [29]–31.
[19]. Taylor’s cannons were made on balls jammed in the jaws of the pocket; Ives’ cannons were made on balls well outside of the jaws.
[20]. The numbers quoted are those of the Billiard Association’s Rules.
[21]. The rules do not say for how many balls the offender has to pay: presumably all that are left on the table are scored to his adversary.