0.729 x 28.282828282828r = 20.618181818r'
This is not correct.
If we accept the Roman foot 11.664 inches then. A digit.
1 digitus = 18.5166 millimetres 0.729 inches
4 digiti = 1 palmus
4 palmi = 1 pes 11.664 inches
5 pes = 1 passus
125 passus = 1 stadium
8 stadia = 1 millare
The palmus originated as the width of the hand and pes was the Roman word for foot. The passus was the double pace of a marching soldier. The milliare equalled 1 passus: it was also known as the mille passus and was the origin of the English mile, after the word passus was dropped,. The Romans also had a unit called a uncia which was one twelfth of the pes, or foot, The unica was the origin of the English word inch.
In a previous post I pointed out the Roman mile = 4860 imperial feet.
This has caused much confusion over the years.
Now to the cubit. As previously posted there are 16 digits to a foot and 24 digits to a standard cubit.
11.664 / 16 = 0.729 1 digit x 24 = 17.496 inches a standard Roman cubit. See other numbers here 17.496 / 12 = 1.458 / 12 = 0.1215 12.15 Greek foot
The Roman measure does slot into the Royal cubit found in the diagonal of the GP 1069.2 imperial feet 12830.4 inches or
622.08 Royal cubits 1100 Roman feet. Royal cubit 20.625 inches.
Edited 1 time(s). Last edit at 22-Dec-19 13:08 by molder.