The surveyor’s chain

A “surveyor’s chain” is a measuring device, whose form will be familiar to students of civil engineering even today. It was first used in England in the late 17th century, primarily to help landowners measure land. It has 100 metal links of equal length, each of 7.92 inches. The legacy of this “chain” is still preserved in a very different field. How?

Answer: (select the text below to show)

As the length of a cricket pitch. 100 * 7.92 inches == 66 feet == 22 yards.

Question by J Ramanand