and from the 10C ... we have the definitions
The cubit was the length of the arm [Henry I's] from the tip of the finger
to the elbow; this then subdivided into shorter units as the foot, hand (at
4 inches used for expressing the height of horses) finger; added together
made longer units as the stride.
The yard would be "the distance from the tip of the King's nose to the end
of his outstretched thumb".
BTW - just what is A4 - curiously wondering;
here, we use 8-1/2" X 11" or legally speaking 16" X 11"
from the peanut-gallery's historical corner
BTW 2 - just what is this metric system which the English Kings seem
to be using now days
yet they still drive on the left