Measure/proportion

Location/source

British imperial foot

ABC

British imperial yard

Squares on ABC, see Figure 1

ancient Egyptian remen

DF

ancient Egyptian royal cubit

KTF

ancient Egyptian common (short) cubit

AJPOA

ancient Egyptian common cubit digit

SO

Roman foot/ancient Egyptian "forearm"

DE

Roman inch (uncia)

Remainder of DE minus GH halved

Roman cubit

FW

Greek foot

FH

Greek cubit

FX also DV

ancient Egyptian remen digit

FX minus FW

22/7

LN / KM
