Certain standards laid down by the American Bowling Congress govern all sanctioned bowling lanes and must be complied with if
official recognition is to be given to any competition held thereon. I am not going to name all of these regulations, because many of them are rather technical, but I would like to set down a few that have a direct bearing on your game. Here are the important ones:
Your bowling ball weighs not more than 16 pounds nor less than 10 pounds. The circumference of the ball is 27 inches, and the diameter of the ball is 8.59 inches.

Tenpins are 15 inches in height, and must weigh not less than 2 pounds, 14 ounces, nor more than 3 pounds, 10 ounces. The design of all pins is clearly prescribed by the ABC. The distance between each pin is 12 inches from center to center.

The length of an alley is 60 feet from the foul line to the headpin. The Width of the normal alley is 42 inches, and the length of the normal alley approach is 16 feet from the foul line to the back edge.

A foul occurs any time after the ball leaves the bowler's hand and passes over the foul line if the bowler permits his foot, hand,
arm, or any other part of his body to touch the alley, gutters, division boards, walls or uprights that are beyond the foul line.

When pins are knocked down or displaced by a ball which leaves the alley before reaching the pins, or from a ball rebounding
from the rear cushion, they do not count and should be respotted immediately. The removal of or interference with pins by a pinboy
before they stop rolling is cause for the...[Chapter Incomplete]

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