The majority of people are conservative, in a strictly non-political sense, and tend to regard any enforced change of habit with great misgivings. So it is with the coming Change to Metric and, as in many other instances, the apprehension arises out of uncertainty or ignorance of what the future holds in store. ‘Better the devil you know. . .’ The following notes, originally presented in lecture form and much edited since then, are intended not as a definitive guide but rather as words of encouragement with, it is hoped, a useful catalytic effect to assist each individual reader to make his own change.
Peter S. Rhodes